S
Filed: April 20, 1964
AUDIO TRANSFORMERS, SOUND AMPLIFIERS, MICROPHONES, EAR-PHONES, AND COMPONENT PARTS THEREOF
Owned by: SENNHEISER ELECTRONIC CORPORATION
Serial Number: 72191618
OPEN-AIRE
Filed: November 9, 1971
ACOUSTIC EQUIPMENT-NAMELY, HEADPHONES
Owned by: SENNHEISER ELECTRONIC CORPORATION
Serial Number: 72407250
S
Filed: February 15, 1983
Sound Recorders and Reproducers, Sound Amplifiers, Microphones, Earphones, Wireless Microphones, Wireless Earphones, Transmitters…
Owned by: SENNHEISER ELECTRONIC CORPORATION
Serial Number: 73413648
S
Filed: February 22, 1993
sound recorders and reproducers, sound amplifiers, microphones, earphones, infrared wireless microphones, infrared transmitters…
Owned by: SENNHEISER ELECTRONIC CORPORATION
Serial Number: 74360966
PROFORCE
Filed: April 25, 1995
microphones
Owned by: SENNHEISER ELECTRONIC CORPORATION
Serial Number: 74665503
FREESOUND
Filed: October 4, 1995
stereo headsets
Owned by: SENNHEISER ELECTRONIC CORPORATION
Serial Number: 75001640
AUDIOPORT
Filed: June 21, 1996
audio equipment, namely, assistive listening devices in the nature of personal headphones containing amplifiers
Owned by: SENNHEISER ELECTRONIC CORPORATION
Serial Number: 75123342
DIRECTEAR
Filed: November 25, 1996
assistive listening devices comprised of a headset, wireless transmitter, rechargeable battery module, plug-in power supply…
Owned by: SENNHEISER ELECTRONIC CORPORATION
Serial Number: 75203265
