Resource Type

Window-Shade-Operating Device (open access)

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
Dirigible Headlight (open access)

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