Electrical and scientific apparatus Trademarks Filed in August 1, 1947
AUTOTUNE
Filed: August 1, 1947
UNITARY MECHANICAL AND ELECTROMECHANICAL SELECTOR MECHANISMS FOR CONTROLLING THE AUTOMATIC SELECTIVE POSITIONING OF A ROTARY…
Owned by: COLLINS RADIO COMPANY
Serial Number: 71530173
FLASH A CALL
Filed: August 1, 1947
WIRED AND WIRELESS TWO-WAY ELECTRICAL LOUDSPEAKER OFFICE AND LIKE INTER-COMMUNICATING SYSTEMS, ELECTRICAL PUBLIC ADDRESS…
Owned by: INTER-COMMUNICATION SYSTEM OF AMERICA, INC.
Serial Number: 71530203
