August 27, 1938 Trademarks
FROST GUARD
Filed: August 27, 1938
AUTOMOBILE ANTI-FREEZE COMPOUND
Owned by: ATLAS SUPPLY COMPANY
Serial Number: 71410015
DIAMONDSCOPE
Filed: August 27, 1938
ILLUMINATING APPARATUS FOR DISCLOSING DEFECTS OF PRECIOUS STONES THROUGH THE AGENCY OF CONCENTRATED LIGHT
Owned by: AMERICAN GEM SOCIETY
Serial Number: 71410056
