Cooling Device (open access)

Cooling Device

Patent for a cooling device for milk. Illustrations included.
Date: June 6, 1911
Creator: Cooper, Thomas
System: The Portal to Texas History
Folding Chicken-Coop. (open access)

Folding Chicken-Coop.

Patent for a simpler and less expensive chicken coop "capable of being compactly folded for shipping or storing and adapted to easily and quickly arranged for use" (lines 18-20), including illustrations.
Date: June 20, 1916
Creator: Welty, Elbert E. C.
System: The Portal to Texas History
Collar-Button. (open access)

Collar-Button.

Patent for collar-buttons made of inexpensive, non-metallic material that when applied to bands of unusual commercial form, can adapt itself to the curvature of the band without obstructing the free adjustment of a tie in connection with the folded type of collar.
Date: June 21, 1921
Creator: Baldwin, Lawrence G.
System: The Portal to Texas History
Insect Trap. (open access)

Insect Trap.

Patent for a new and improved ant trap. This design "consists in forming the trough of a quadrangular form, and V-shaped in cross-section, with the plates of the opposite sections of the trough forming wedges adapted to be forced into the ground around the mouth of the ant-hill and securely anchor the trap in the ground" (lines 41-46).
Date: June 26, 1883
Creator: Bunnell, James F.
System: The Portal to Texas History