71561769
Jul 20, 1948
Feb 6, 1951
FUEL CONTROL CHECK VALVES; RELIEF VALVES; ANTI SIPHON VALVES FOR PREVENTING SIPHONING OF FUEL; METALLIC BELLOWS CONNECTED TO AND ADAPTED FOR MOVING LEVER ARMS WHEN THE BELLOWS ARE EXPANDED AND CONTRACTED DUE TO CHANGES IN PRESSURE AND STRAINERS FOR MECHANICALLY REMOVING FOREIGN MATERIAL FROM OIL
Firearms