Resource Type
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Serial/Series Title
2000 Census County Subdivision Block Map
66
2010 Census County Block Map
48
Digital US Topo Maps: 7.5 Minute Series (Topographic)
48
2010 Census P.L. 94-171 County Block Map
47
2000 Census County Block Map
44
1990 Census County Block Map
43
7.5 Minute Series (Topographic)
41
Digital Raster Graphic Topographic Maps: 7.5 Minute Series (Topographic)
19
30 Minute Series
9
2007 Economic Census Map
7
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509 Matching Results
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Results:
505 - 509 of
509
Attachment for Stalk-Cutting Machines.
Patent for improved, cheap, and simple stalk-cutting technology with shielded protection, including instructions and illustrations.
Date:
September 17, 1918
Creator:
McCray, Henry L.
Object Type:
Patent
System:
The Portal to Texas History
Burglar-Alarm.
Patent for a burglar alarm, designed to be simply constructed and installed.
Date:
November 29, 1921
Creator:
Stephens, William B.
Object Type:
Patent
System:
The Portal to Texas History
Well-Drill Wrench.
Patent for use with oil well drills to enable easier rotation and less friction. The invention aids in quick and easy adjustments to oil well parts.
Date:
January 6, 1920
Creator:
Ellinger, William H.
Object Type:
Patent
System:
The Portal to Texas History
Wire-Stretcher.
Patent for a wire stretcher which includes attachments for pulling the ends of a broken strand of wire together so that it can be repaired, in addition to the usual function of stretching wire thereby taking up slack in unbroken wire strands when erecting fences. The device also "requires a minimum amount of labor in its operation and in which the force employed is exerted in the direction of the line of the wire" (lines 20-23).
Date:
September 14, 1920
Creator:
Stephens, William B.
Object Type:
Patent
System:
The Portal to Texas History
Drive Belt
Patent for a drive belt. Used for automotive motor fans and similar light elements so light machinery will not be liable to slip upon belt wheels or become displaced.
Date:
May 14, 1918
Creator:
Kelley, Robert
Object Type:
Patent
System:
The Portal to Texas History