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Window-Shade-Operating Device
Patent for a window-shade-operating device that "revolv[es] the shade roller and [retains] the roller in position whereby the shade is held at the desired point" (lines 14-17).
Date:
December 16, 1919
Creator:
Minnis, Henry M.
System:
The Portal to Texas History
Wire-Working Machine.
Patent for improvements in Wire-Working Machines that forms hangers for "coats, trousers, and other clothing" (lines 11-12). Provides a more inexpensive, faster, and more accurate machine that uses less power, includes illustrations.
Date:
December 16, 1919
Creator:
Shelton, John F.
System:
The Portal to Texas History
Washboiler
Patent for an improved wash boiler that contains a false bottom and ejectors to more efficiently clean the wash boiler, and to better control the passage of water.
Date:
December 16, 1919
Creator:
McFarland, James W.
System:
The Portal to Texas History
Mail Delivery Apparatus
Patent for improvements to mail delivery through sorting and distribution to different destinations with illustrations.
Date:
December 16, 1919
Creator:
Cobb, Albert C.
System:
The Portal to Texas History
Railroad-Switch
Patent for a railroad switch that is easier to use and more effective than the "common stub switch" (lines 10-11), thereby reducing damage.
Date:
December 16, 1919
Creator:
Cuellar, Samuel D.
System:
The Portal to Texas History
Heel-Sweep.
Patent for a "heel sweep for a plow. The invention aims to provide a sweep which will possess great strength..."
Date:
December 16, 1919
Creator:
Kelly, George Dudley
System:
The Portal to Texas History
Dirigible Headlight
Patent for new design for dirigible headlights by Mr. Hall B. Simpson and Mr. Dewitt Hood, designed with the intention of providing "novel and improved means whereby the headlights are supported by the automobile or other vehicle for turning movement about vertical axes," alongside various innovative applications (lines 23-27).
Date:
December 16, 1919
Creator:
Simpson, Hall B. & Hood, Dewitt
System:
The Portal to Texas History