Counties
1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Relief Valve and System for Motor or Other Driven Pumps.
Patent for "a new and useful Relief Valve and System for Motor or other Driven Pumps" (lines 5-7) as well as illustrations.
Date:
July 7, 1914
Creator:
Johnson, George Walter
System:
The Portal to Texas History