Chemicals Trademarks Filed in May 21, 1971
E NEGATIVUS POSITIVUS
Filed: May 21, 1971
PHOTOGRAPHIC CHEMICALS
Owned by: EDWAL SCIENTIFIC PRODUCTS CORPORATION
Serial Number: 72392771
SIGMACOTE
Filed: May 21, 1971
FILMING MEDIUM FOR LABORATORY WARE
Owned by: SIGMA CHEMICAL COMPANY
Serial Number: 72392811
