23 ABRASIVE BLASTING ROOMS COMPRISING A BLASTING GENERATOR AND NOZZLE MEANS FOR EXPELLING ABRASIVES, AIR VENTILATION AND DUST COLLECTING EXHAUSTING SYSTEMS FOR CONVEYING ABRASIVE DEBRIS AND DUST INTO RECLAIMING MEANS AND PARTS AND EQUIPMENT THERFOR
35 INFLATABLE RUBBER SEALS WHICH OPEN AND CLOSE CONVEYING DUCTS IN ABRASIVE BLASTING ROOM FLOORS
Trademark Events
Dec 20, 1993
Expired Sec. 9
Apr 16, 1979
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.