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Window Shade Guide.
Patent for window shade roller guides. This invention ensured a smooth and successful unrolling of the window shade, allowing the shade to be guided by a two-part attachment on the sides of the window shade spool. The inventor claimed that the use of this apparatus could preserve the integrity of the roller by minimizing damage during operation.
Date:
December 2, 1919
Creator:
Orr, James E.
System:
The Portal to Texas History
Improvements in Apparatus for Collecting and Handling Lint
Patent for improvements in apparatus for collecting and handling lint. This apparatus will more thoroughly collect and handle lint so that less lint winds up in the linter room, and can be thoroughly collected.
Date:
January 2, 1919
Creator:
Nolen, Robert Rufus
System:
The Portal to Texas History
Heavier-than-air- Airship
Patent for aviation prototype.
Date:
September 2, 1919
Creator:
Brown, George Coleman
System:
The Portal to Texas History