Wrist Blotter (open access)

Wrist Blotter

Patent for a wrist blotter that provides a simple and inexpensive blotter to be attached to the wrist.
Date: October 1, 1918
Creator: Cardwell, Harland W.
System: The Portal to Texas History
Gate-Operating Mechanism (open access)

Gate-Operating Mechanism

Patent for an improved gate operating mechanism to allow vehicles to approach the gate and the gate move to the open position and to move to the closed position has passed through the gate opening. Includes illustrations.
Date: August 21, 1917
Creator: McDaniel, James M. & McDaniel, Claud M.
System: The Portal to Texas History
Railroad Tie (open access)

Railroad Tie

Patent for an improved railroad tie. The improved railroad tie will be more resilient, with a housing made of pressed metal.
Date: November 18, 1919
Creator: Autrey, Benjamin P.
System: The Portal to Texas History