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UNT Libraries Government Documents Department
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Texas Patents
558
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Texas Patents
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United States
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554
Illinois
3
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Texas
554
Illinois
3
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2
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1
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1
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1
Missouri
1
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1
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1
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1
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Dallas County, TX
37
Bexar County, TX
36
Harris County, TX
30
Tarrant County, TX
24
McLennan County, TX
21
Grayson County, TX
20
El Paso County, TX
16
Johnson County, TX
13
Bell County, TX
12
Williamson County, TX
11
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Dallas County, TX
37
Bexar County, TX
36
Harris County, TX
30
Tarrant County, TX
24
McLennan County, TX
21
Grayson County, TX
20
El Paso County, TX
16
Johnson County, TX
13
Bell County, TX
12
Williamson County, TX
11
Galveston County, TX
10
Jefferson County, TX
9
Lamar County, TX
9
Travis County, TX
9
Collin County, TX
8
Cooke County, TX
8
Denton County, TX
8
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8
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8
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8
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7
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6
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6
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6
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6
Washington County, TX
6
Wood County, TX
6
Bee County, TX
5
Brown County, TX
5
Cass County, TX
5
Hardeman County, TX
5
Limestone County, TX
5
Robertson County, TX
5
Comal County, TX
4
Hays County, TX
4
Hunt County, TX
4
Smith County, TX
4
Austin County, TX
3
Bosque County, TX
3
Clay County, TX
3
Colorado County, TX
3
Cook County, IL
3
DeWitt County, TX
3
Falls County, TX
3
Fayette County, TX
3
Gonzales County, TX
3
Henderson County, TX
3
Houston County, TX
3
Lavaca County, TX
3
Milam County, TX
3
Montague County, TX
3
Palo Pinto County, TX
3
Taylor County, TX
3
Tom Green County, TX
3
Trinity County, TX
3
Wichita County, TX
3
Wilson County, TX
3
Anderson County, TX
2
Angelina County, TX
2
Bastrop County, TX
2
Brazoria County, TX
2
Caldwell County, TX
2
Callahan County, TX
2
Coleman County, TX
2
Comanche County, TX
2
Eastland County, TX
2
Goliad County, TX
2
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2
Grimes County, TX
2
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2
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2
Haskell County, TX
2
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2
Matagorda County, TX
2
Mills County, TX
2
Polk County, TX
2
Real County, TX
2
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2
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2
Runnels County, TX
2
Rusk County, TX
2
Shelby County, TX
2
Upshur County, TX
2
Archer County, TX
1
Atascosa County, TX
1
Baylor County, TX
1
Beadle County, SD
1
Bryan County, OK
1
Burleson County, TX
1
Burnet County, TX
1
Camp County, TX
1
Cherokee County, TX
1
Coryell County, TX
1
Dawson County, TX
1
Deaf Smith County, TX
1
Delta County, TX
1
Dickens County, TX
1
Dukes County, MA
1
Erath County, TX
1
Fort Bend County, TX
1
Freestone County, TX
1
Frio County, TX
1
Gregg County, TX
1
Hall County, TX
1
Hamilton County, TX
1
Hemphill County, TX
1
Hidalgo County, TX
1
Howard County, TX
1
Jasper County, TX
1
Jefferson County, OK
1
Jones County, TX
1
Lampasas County, TX
1
Leon County, TX
1
Liberty County, TX
1
Los Angeles County, CA
1
Marion County, TX
1
Maverick County, TX
1
Medina County, TX
1
Miller County, AR
1
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1
Mitchell County, TX
1
Montgomery County, TX
1
New Castle County, DE
1
Nueces County, TX
1
Ochiltree County, TX
1
Orange County, TX
1
Pima County, AZ
1
Roberts County, TX
1
San Augustine County, TX
1
San Saba County, TX
1
Shelby County, TN
1
Sherman County, TX
1
Stephens County, TX
1
Sutton County, TX
1
Terry County, TX
1
Tyler County, TX
1
Uvalde County, TX
1
Van Zandt County, TX
1
Wayne County, MI
1
Wharton County, TX
1
Wheeler County, TX
1
Wilbarger County, TX
1
Young County, TX
1
Decade
1920-1929
47
1910-1919
149
1900-1909
160
1890-1899
104
1880-1889
66
1870-1879
28
1860-1869
4
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1920-1929
47
1910-1919
149
1900-1909
160
1890-1899
104
1880-1889
66
1870-1879
28
1860-1869
4
Year
1923
1
1922
5
1921
11
1920
30
1919
16
1918
17
1917
12
1916
12
1915
9
1914
29
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1919
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1918
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1917
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1915
9
1914
29
1913
6
1912
10
1911
25
1910
13
1909
14
1908
25
1907
24
1906
16
1905
17
1904
12
1903
18
1902
6
1901
13
1900
15
1899
6
1898
8
1897
8
1896
11
1895
13
1894
10
1893
13
1892
4
1891
26
1890
5
1889
8
1888
8
1887
9
1886
2
1885
17
1884
2
1883
6
1882
8
1881
1
1880
5
1879
1
1878
3
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7
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1875
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1874
6
1873
1
1872
1
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1860
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Month
December
43
November
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49
September
45
August
63
July
35
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33
May
59
April
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March
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February
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January
42
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Day
17th
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17th
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Improvement in Presses.
Improvement in Apparatus for Boring Artesian Wells.
Improved Apparatus for Fumigating Plants.
Improved Power-Apparatus for Vehicles
Improvement in Pitmen.
Improvements in Electric Foot Warmers.
Improvement in Fire-Tongs
Improvement in Fruit-Corers.
Improvement in Insect-Destroying Compounds.
Improvement in Horse-Powers.
Improvement in seed-planters.
Improvement in Road-Scrapers.
Improvement in Guide-Wheels for Car-Trucks.
Improvement in Plows.
Improvement in Truss-Bridges.
Improvement in Beer-Refrigerators.
Improvement in Corn-Shellers.
Improvement in Excavators
Improvement in Machines for Washing Photographs
Improvements in Corn-Shellers.
Improvement in Cotton-Presses.
Improvement in Leather-Cutting Gages
Improvement in Door-Checks.
Improvement in Gang-Plows.
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