Animal Trap. (open access)

Animal Trap.

Patent for Animal Trap especially adapted for the extermination of mice and similar rodents.
Date: September 5, 1920
Creator: Fredrick, William
System: The Portal to Texas History
Plowshare for Grubbing-Plows, &c. (open access)

Plowshare for Grubbing-Plows, &c.

Patent for a plowshare for grubbing plows and other plows used for clearing through timber. Illustrations included.
Date: May 3, 1910
Creator: Jauer, Christman D.
System: The Portal to Texas History