Chemicals Trademarks Filed in July 28, 1943
ETCHORITE
Filed: July 28, 1943
SOLUTION USED FOR MAKING A LITHOGRAPHIC PLATE PHOTOSENSITIVE
Owned by: DAVIDSON MANUFACTURING CORPORATION
Serial Number: 71462362
WECO
Filed: July 28, 1943
LEATHER
Owned by: WEIL & EISENDRATH CO.
Serial Number: 71462382