Airship (open access)

Airship

Patent for an airshape. This invention is of a helicopter design. Illustration included.
Date: January 21, 1913
Creator: Darche, James
System: The Portal to Texas History
Auxiliary Seeding Attachment for Planters (open access)

Auxiliary Seeding Attachment for Planters

Patent for an attachment to existing hopper fed planters intended for larger format seeds (corn, cotton, etc.), to allow their use in distribution of smaller format seeds (cabbage, onions, etc.).
Date: August 21, 1917
Creator: Whitworth, John Allen
System: The Portal to Texas History
Bee-Cage. (open access)

Bee-Cage.

Patent for a new and improved design of bee cages that facilitates the feeding of bees during transportation and provides "the proper ventilation of the air through the cage to prevent the bees from smothering" (lines 17-19), including illustrations.
Date: September 21, 1920
Creator: Ault, Eugene B.
System: The Portal to Texas History