2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Water-Heater
Patent for a water heater that will heat a large quantity of water in a short amount of time. Cool water is delivered to the bottom of the tank, displacing hot water at the top so the tank is always filled with hot water.
Date:
September 14, 1920
Creator:
Faust, Louis F.
System:
The Portal to Texas History
Fastening Device for Fence-Wires.
Patent for improved fence posts that holds wires on metallic posts.
Date:
September 7, 1920
Creator:
Minnich, Otto J.
System:
The Portal to Texas History