CLEF, INC. Trademarks
HOLD-LINE
Filed: June 2, 1969
PROVIDING BACKGROUND MUSIC FOR INCOMING TELEPHONE CALLS OF SUBSCRIBERS
Owned by: CLEF, INC.
Serial Number: 72328817
CLEF
Filed: July 20, 1994
audio/video transmission and receiving equipment, namely speakers, amplifiers, pre-amps, receivers, tuners, monitors, audio…
Owned by: CLEF, INC.
Serial Number: 74551325
