Chemicals Trademarks Filed in February 25, 1958
HEMANTIGEN
Filed: February 25, 1958
Preparation Consisting of a Mixture of Human Red Cells Used to Test for the Presence of Abnormal Blood Group Antibodies…
Owned by: PFIZER INC.
Serial Number: 72046554
FORMASIL
Filed: February 25, 1958
SILICONES
Owned by: Union Carbide Corporation
Serial Number: 72046580
