Nonmetallic building materials Trademarks Filed in December 22, 1978
HOLID

HOLID

Filed: December 22, 1978
Hollow Core Doors
Owned by: Ohio Valley Door Corporation
Serial Number: 73197839

OPTAC

OPTAC

Filed: December 22, 1978
Safety Equipment for Use in Reduction of Noise Levels-Namely, Capsule Ear Protectors, Ear Muffs, and Hearing Protection…
Owned by: OPTAC Verwaltung Wilfrid Weltin
Serial Number: 73197855