Insect Destroyer. (open access)

Insect Destroyer.

Patent for an wheeled vehicle mounted insect destroyer that brushes insects from plants and destroys them utilizing flames, includes illustrations.
Date: June 13, 1922
Creator: Franks, John L.
System: The Portal to Texas History
Tongue Supporting Attachment for Cultivators and Planters (open access)

Tongue Supporting Attachment for Cultivators and Planters

Patent for the Tongue Supporting Attachment for Cultivators and Planters. This invention, according to Paul J. Block, is to provide an improved support for the tongues of a cultivator and relieve the draft animal of its weight. Illustrations are included.
Date: June 14, 1917
Creator: Block, Paul J.
System: The Portal to Texas History
Rotary Engine. (open access)

Rotary Engine.

Patent for a rotary engine with a cut-off valve.
Date: June 20, 1911
Creator: Power, Kelcy L.
System: The Portal to Texas History