W.B. CONNOR ENGINEERING CORP. Trademarks
KNO-DRAFT DIFFUSER
Filed: March 5, 1948
AIR DIFFUSERS FOR DIFFUSING AIR INTO AN ENCLOSURE FROM A VENTILATING SYSTEM
Owned by: W.B. CONNOR ENGINEERING CORP.
Serial Number: 71551245
DOREX AIR IMPROVER
Filed: July 26, 1951
AIR PURIFYING DEVICES CONSISTING OF CARBON CANNISTERS AND A BLOWER MECHANISM FOR CIRCULATING AIR WITHIN A CONFINED SPACE…
Owned by: W.B. CONNOR ENGINEERING CORP.
Serial Number: 71616948
