HEADROOM CORP. Trademarks
HEADROOM
Filed: February 16, 1993
headphone amplifiers and audio signal processing circuits for headphones
Owned by: HEADROOM CORP.
Serial Number: 74359066
HEADROOM
Filed: February 16, 1993
headphone amplifiers and signal processing circuits for headphones
Owned by: HEADROOM CORP.
Serial Number: 74359067
Image Trademark
Filed: April 12, 1993
headphone amplifier and signal processing circuits for headphones
Owned by: HEADROOM CORP.
Serial Number: 74377525
