Reinforcing Metal Yoke for Hollow Concrete Walls (open access)

Reinforcing Metal Yoke for Hollow Concrete Walls

Patent for reinforcing metal yoke for hollow concrete walls. Illustration included.
Date: April 12, 1910
Creator: Nelson, William E.
System: The Portal to Texas History
Vehicle-Wheel (open access)

Vehicle-Wheel

Patent for a vehicle wheel with spring spokes that will not easily break on rough roads.
Date: November 12, 1912
Creator: Hayden, Jefferson B.
System: The Portal to Texas History
Tire-Inflating Pump. (open access)

Tire-Inflating Pump.

Patent for tire inflating pump. Its purpose is meant to be used to inflate automobile tires.
Date: November 12, 1918
Creator: Lovelace, Charles D.
System: The Portal to Texas History