U.S. federal trademark · Serial No. 71451550 · Reg. No. 0404355
SPRINGS MADE AND TESTED IN A PARTICULAR MANNER FOR USE ON VARIOUS PIECES OF APPARATUS, SUCH AS RADIO SETS, ESPECIALLY THOSE USED ON AIRCRAFT, FUEL GAUGES, SHOCK ABSORBERS, AIRCRAFT TACHOMETERS, MEASURING AND SCIENTIFIC INSTRUMENTS, MOTORS, RELAYS, AND NUMEROUS OTHER STRUCTURES
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