7 Pneumatic Material Transfer Equipment-Namely, Rotary Air Locks, Vacuum Blowers, Pressure Blowers, Cyclone Separators, Filters, and Butterfly and Diverter Valves
Trademark Events
Jul 20, 2002
Cancelled Sec. 8 (10-Yr)/Expired Section 9
Apr 13, 1987
Registered - Sec. 8 (6-Yr) Accepted & Sec. 15 Ack.