Window Or Door Fastener (open access)

Window Or Door Fastener

Patent for fastener used on doors or windows. Illustration included.
Date: March 7, 1905
Creator: Lovelace, Charles D.
System: The Portal to Texas History
Windmill (open access)

Windmill

Patent for a windmill. Illustrations included.
Date: March 29, 1910
Creator: De Guire, Frank C.
System: The Portal to Texas History
Windmill (open access)

Windmill

Patent for windmill "utilizing a horizontally movable wheel" (line 10) that keeps a steady rotation and will have a wing tripping element that can either lock the wings or shift wings at proper time, including instructions and illustrations.
Date: March 12, 1912
Creator: Lindsey, James Owen
System: The Portal to Texas History
Shovel-Digger. (open access)

Shovel-Digger.

Patent for an improved shovel design.
Date: March 15, 1921
Creator: Landrum, Livy P.
System: The Portal to Texas History
Cut-Off (open access)

Cut-Off

Patent for a shut off for water supply tanks for cutting off the supply of water and preventing freezing. Illustrations included,
Date: March 26, 1912
Creator: Wood, William Thomas
System: The Portal to Texas History