Wrench (open access)

Wrench

Patent for a wrench that can also be used as a pipe. Illustrations included.
Date: February 21, 1911
Creator: Green, Eugene
System: The Portal to Texas History
Shutter and Ventilator (open access)

Shutter and Ventilator

Patent for a shutter that may be used as either window blinds or a ventilator. Illustrations included.
Date: February 15, 1910
Creator: Rylander, William Pitts
System: The Portal to Texas History