Electrical and scientific apparatus Trademarks Filed in February 27, 1952
ULTRA-VISCOSON
Filed: February 27, 1952
INSTRUMENT COMPRISING A PROBE AND ELECTRONIC COMPUTER FOR DETERMINING PHYSICAL PROPERTIES OF FLUID-LIKE MATERIALS, ESPECIALLY…
Owned by: RICH-ROTH LABORATORIES
Serial Number: 71625630
VOICE INCORPORATED
Filed: February 27, 1952
ELECTRICAL SOUND RECORDING AND REPRODUCING SYSTEMS AND APPARATUS-NAMELY, ELECTRICAL PUBLIC ADDRESS SYSTEMS, ALSO ELECTRICAL…
Owned by: VOICE INCORPORATED
Serial Number: 71625645
