Environmental control apparatus Trademarks Filed in February 17, 1961
HERMAN NELSON
Filed: February 17, 1961
UNIT VENTILATORS
Owned by: AMERICAN AIR FILTER COMPANY, INC.
Serial Number: 72113885
PYROPORT
Filed: February 17, 1961
FIRE, SMOKE, AND EXPLOSION RELIEF ROOF MOUNTED VENTILATING DEVICES
Owned by: PENN VENTILATOR CO. INC.
Serial Number: 72113943
THERMO KING
Filed: February 17, 1961
Self Contained Temperature Control Units Adapted for Connection to Industrial Enclosures Such as Transport Vehicles, Locker…
Owned by: THERMO KING CORPORATION
Serial Number: 72113964
