Electrical and scientific apparatus Trademarks Filed in January 13, 1956
DYNA-VISION
Filed: January 13, 1956
VISUALLY INDICATING ENGINE EFFICIENCY TESTER AND ANALYZER
Owned by: HEYER INDUSTRIES INCORPORATED
Serial Number: 72000677
STERE-O-MATIC
Filed: January 13, 1956
SOUND RECORDING AND PLAYING APPARATUS-NAMELY, BINAURAL CONVERSION EQUIPMENT FOR TAPE RECORDING AND PLAYING APPARATUS
Owned by: V-M CORPORATION, THE
Serial Number: 72000709
