Sigona; Frank Trademarks
SIGTRONICS TRANSCOM
Filed: July 17, 1975
Voice Actuated Communication Equipment for Two-Way Voice Communication Between the Occupants of a Small Aircraft
Owned by: Sigona; Frank
Serial Number: 73057959
SIGTRONICS
Filed: July 17, 1975
Voice Actuated Communication Equipment for Voice Communication Between Occupants of an Aircraft
Owned by: Sigona; Frank
Serial Number: 73057974