Spectrum Research Group Inc. Trademarks
THEATER 2000
sound processor
Owned by: Spectrum Research Group Inc.
Serial Number: 75594195
SCREEN MACHINE
Electronic telephone call screener that attaches to your phone and answering machine to eliminate telemarketing calls
Owned by: Spectrum Research Group Inc.
Serial Number: 78098900
UNSOUNDADVICE!
talking toy figures
Owned by: Spectrum Research Group Inc.
Serial Number: 78765233
