IP Library › Granted Patent US 6,796,887
Granted Patent Utility
US 6,796,887 · App. 10/293,875

Wear ring assembly

Inventor: David Marquardt
Patented Case View Patent ↗
Granted: Sep 28, 2004 Filed: Nov 13, 2002
Inventor
David Marquardt
Assignee (at issue)
SpeedFam-IPEC Corporation

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Quick Facts
Patent No.
US 6,796,887
App. No.
10/293,875
Filed
2002-11-13
Granted
2004-09-28
Kind
B2