Chemicals Trademarks Filed in November 5, 1982
FERROSOUND
Filed: November 5, 1982
Ferrofluid Composition for Use in the Voice Coil Gap of Loudspeakers
Owned by: FERROTEC (USA) CORPORATION
Serial Number: 73401789
SILTEK
Filed: November 5, 1982
Chemical Compositions for Use in the Manufacture of Cosmetics
Owned by: Petrolite Corporation
Serial Number: 73401811
