Adjustable Hoe (open access)

Adjustable Hoe

Patent for improvement in "the construction of hoes and to provide a simple, practical, and inexpensive hoe, of strong and durable construction." (lines 11-13) including illustrations.
Date: July 27, 1915
Creator: Armstrong, John Joshua, Sr.
System: The Portal to Texas History
Portable Extensible Ladder (open access)

Portable Extensible Ladder

Patent for a portable extendable ladder, designed for use, among other things, as a means of fire escape or observation, along with illustrations and explanations.
Date: July 2, 1918
Creator: Trojan, J. E.
System: The Portal to Texas History