Environmental control apparatus Trademarks Filed in March 9, 1970
CYCLOFLOW
Filed: March 9, 1970
AIR CLEANERS HAVING REPLACEABLE FILTERS
Owned by: DONALDSON COMPANY, INC.
Serial Number: 72353365
HAMILTON-AIR
Filed: March 9, 1970
ELECTRICALLY OPERATED HEATING AND/OR COOLING THRU-THE-WALL AIR-CONDITIONING UNITS
Owned by: H. B. HAMILTON COMPANY, INC.
Serial Number: 72353485
RAPID RATE
Filed: March 9, 1970
WATER FILTERS UTILIZING SAND
Owned by: SEABLUE CORPORATION
Serial Number: 72353575
