Trolley (open access)

Trolley

Patent for a trolley that has a secure connection to the trolley line.
Date: July 4, 1911
Creator: Irwin, Walter W.
System: The Portal to Texas History
Support. (open access)

Support.

Patent for improvements in supports for cots or mosquito nettings with an objective to present a novel and convenient device that is applied in operative positions.
Date: July 4, 1916
Creator: Pewther, Judson C.
System: The Portal to Texas History