June 12, 1969 Trademark Filings

PROJECTA-MATH
MATHEMATICAL MODELS FOR DISPLAY WITH AN OVERHEAD PROJECTOR
Expired  ·  June 12, 1969  ·  72329798  · 
BELZONA
THINNERS FOR USE WITH RESIN-BONDED CERAMIC OR METALLIC PREPARATIONS AND FOR USE WITH POLYMERIC BONDED FIBROUS PREPARATIONS
Registered  ·  June 12, 1969  ·  72329789  · 
belzona