IP Library › Granted Patent US 5,290,036
Granted Patent Utility
US 5,290,036 · App. 08/045,358

Cavity back iron with vibration dampening material in rear cavity

Inventors: Frank Fenton, Michael J. Sullivan
Patented Case View Patent ↗
Granted: Mar 1, 1994 Filed: Apr 12, 1993
Inventors
Frank Fenton
Michael J. Sullivan

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Quick Facts
Patent No.
US 5,290,036
App. No.
08/045,358
Filed
1993-04-12
Granted
1994-03-01
Kind
A