1 Matching Results
Results open in a new window/tab.
Results:
1 - 1 of
1
Rodless Double-Acting Pump
Patent for a Rodless Double-Acting Pump to "...eliminate the pump rods and substitute flexible connections" (lines 11-12).
Date:
February 12, 1917
Creator:
Schilder, John J.
System:
The Portal to Texas History