72049529
Apr 11, 1958
Jul 21, 1959
SPENCE ENGINEERING COMPANY INC.
Active Trademark
VALVES, REGULATORS, AND PARTS THEREOF; VALVE SEATS, VALVE DISCS, AND BLEED-PORTS, AND ANTI-ABRASIVE PUMP PARTS, ALL SAID PARTS BEING MADE OF WEARRESISTANT METAL ALLOY
Firearms