SONOTONE CORPORATION Trademarks
SONOTONE
Filed: September 23, 1942
APPARATUS FOR MEASURING HEARING
Owned by: SONOTONE CORPORATION
Serial Number: 71455713
THE HOUSE OF HEARING
Filed: February 20, 1945
HEARING AID DEVICES AND PARTS THEREOF
Owned by: SONOTONE CORPORATION
Serial Number: 71480033
PURETONE
Filed: June 28, 1949
HEARING AID DEVICES-NAMELY, SOUND TRANSMITTERS, TELEPHONE RECEIVERS, HEARING-INDUCING BONE OSCILLATORS, AND ELECTRIC SOUND…
Owned by: SONOTONE CORPORATION
Serial Number: 71581215
STAR
Owned by: SONOTONE CORPORATION
Serial Number: 80987440
