Chemicals Trademarks Filed in July 21, 1951
PROMICROL
Filed: July 21, 1951
CHEMICAL PHOTOGRAPHIC DEVELOPERS
Owned by: MAY & BAKER LIMITED
Serial Number: 71616771
3M BRAND
Filed: July 21, 1951
CHEMICAL COMPOSITION FOR TREATING THE PRINTING SURFACE OF A LITHOGRAPHIC PLATE TO RENDER THE IMAGE THEREON VISIBLE, TO STRENGTHEN…
Owned by: Minnesota Mining & Manufacturing Company
Serial Number: 71616774
