IP Library › Granted Patent US 5,992,297
Granted Patent Utility
US 5,992,297 · App. 09/087,523

Easy fit diaphragm

Inventors: Ronald S. Plantan, Michael M. Holm
Patented Case View Patent ↗
Granted: Nov 30, 1999 Filed: May 29, 1998
Inventors
Ronald S. Plantan
Michael M. Holm
Assignee (at issue)
INDIAN HEAD INDUSTRIES, INC.

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Quick Facts
Patent No.
US 5,992,297
App. No.
09/087,523
Filed
1998-05-29
Granted
1999-11-30
Kind
A