Environmental control apparatus Trademarks Filed in March 23, 1961
AMER KLEEN
Filed: March 23, 1961
UNIT AIR FILTERS AND DISPOSABLE AIR FILTER PADS
Owned by: AMERICAN AIR FILTER COMPANY, INC.
Serial Number: 72116284
UNION CARBIDE
Filed: March 23, 1961
Chemical Process Equipment-Namely, Heat Exchangers and Parts Thereof
Owned by: Union Carbide Corporation
Serial Number: 72116361