IP Library › Granted Patent US 5,997,256
Granted Patent Utility
US 5,997,256 · App. 09/151,170

Dual stage, dual mode air pump

Inventor: John A. Gunther
Patented Case View Patent ↗
Granted: Dec 7, 1999 Filed: Sep 10, 1998
Inventor
John A. Gunther
Assignee (at issue)
Bell Sports, Inc.

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Quick Facts
Patent No.
US 5,997,256
App. No.
09/151,170
Filed
1998-09-10
Granted
1999-12-07
Kind
A