Resource Type

Window-Shade (open access)

Window-Shade

Patent for a window shade which can regulate light or ventilation. Illustrations included.
Date: December 31, 1907
Creator: Stephenson, Errett B.
System: The Portal to Texas History
Grab Hook (open access)

Grab Hook

Patent for a grab hook. This invention is designed to hoist well casings, drill rods, pump rods, and other implements used in drilling. Illustration included.
Date: April 30, 1907
Creator: Robinson, Albert W.
System: The Portal to Texas History