Resource Type

States

Pipe Wrench or Clamp (open access)

Pipe Wrench or Clamp

Patent for a pipe wrench or clamp. Illustration included.
Date: December 15, 1903
Creator: Hutchins, Charles N.
System: The Portal to Texas History
Cultivator. (open access)

Cultivator.

Patent for a cultivator, which can be adjusted to different widths and depths of rows.
Date: March 15, 1910
Creator: Kilpatrick, Robert L.
System: The Portal to Texas History