Du Tone Corporation Trademarks
DU-TONE
Filed: March 14, 1961
Chemicals Used in All the Various Aspects of the Plating Process and Related Processes Thereto, Such as Metal Surface Brightening…
Owned by: Du Tone Corporation
Serial Number: 72115590
DU-CHROME
Filed: March 14, 1961
Chemicals Used for Producing Corrosion Resistant Chromate Conversion Films on Zinc, Cadmium, Aluminum, or Other Surfaces
Owned by: Du Tone Corporation
Serial Number: 72115591
DU-CAD
Filed: July 17, 1962
Chemicals Used for Producing Brighter Surface Appearance on Metals Subjected to Plating Solutions
Owned by: Du Tone Corporation
Serial Number: 72149172
