Collection
Counties
7 Matching Results
Results open in a new window/tab.
Results:
1 - 7 of
7
Reagent for Liquid-Battery Cells.
Patent for a method of producing a "cheap and efficient substitute for copper sulfate for use in battery cells" (lines 14-16).
Date:
April 19, 1921
Creator:
Humphrey, David L. & Pittman, Carl L.
System:
The Portal to Texas History
Harvester.
Patent for Harvester. "This invention relates to harvesters, particularly designed for harvesting beets, potatoes or analogous agricultural products and the primary object of the invention is to provide a machine which will harvest a crop of agricultural products of the edible root type with a minimum amount of manual labor." (line 2)
Date:
April 23, 1918
Creator:
Malone, Tom Anderson
System:
The Portal to Texas History
Listing-Plow.
Patent for a listing plow, "more particularly an improvement upon the structure disclosed in Patent No. 866,679, issued to [Gottfried Persson] on September 24, 1907" (lines 9-11), including instructions and illustrations.
Date:
April 22, 1913
Creator:
Persson, Gottfrid
System:
The Portal to Texas History
Cuspidor Handle and Carrier
Patent for Cuspidor Handle and Carrier.
Date:
April 9, 1912
Creator:
Old, Earnest
System:
The Portal to Texas History
Adjustable Window-Scaffold
Patent for an adjustable window scaffold. Illustrations included.
Date:
April 11, 1911
Creator:
Wright, Scott W.
System:
The Portal to Texas History
Puzzle.
Patent for a wire puzzle, where the user tries to free a ring from the inside of the wires.
Date:
April 5, 1910
Creator:
Hicks, Rufus Lee
System:
The Portal to Texas History
Quilting-Frame.
Patent for an improvement in quilting-frames by making one roller adjustable in which it can be turned in either direction from the opposite side of the device. Illustration is included.
Date:
April 7, 1891
Creator:
Martin, Enoch
System:
The Portal to Texas History