Powertype Trademarks

POWERTYPE
PHOTOSENSITIVE PAPER AND FILM
Expired  ·  November 3, 1977  ·  73147166  · 
POWERTYPE
RESIN COATED PHOTOTYPESETTING SENSITIZED PAPER
Expired  ·  July 30, 1976  ·  73095108  · 
POWERTYPE
CHEMICAL COMPOSITIONS USED IN PHOTOGRAPHY
Expired  ·  November 4, 1975  ·  73067949  ·