Environmental control apparatus Trademarks Filed in February 28, 1961
Q-JET
Filed: February 28, 1961
Power Ventilators
Owned by: H.H. ROBERTSON COMPANY
Serial Number: 72114643
Q-VENT
Filed: February 28, 1961
Roof Ventilators
Owned by: H.H. ROBERTSON COMPANY
Serial Number: 72114644
