IP Library Granted Patent US 4,754,895
Granted Patent Utility
US 4,754,895 · App. 06/868,644

Drain closure

Inventors: George E. Lardner, Jacek M. Weinheimer
Patented Case View Patent ↗
Granted: Jul 5, 1988 Filed: May 29, 1986
Inventors
George E. Lardner
Jacek M. Weinheimer
Assignee (at issue)
Halkey-Roberts Corporation

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Quick Facts
Patent No.
US 4,754,895
App. No.
06/868,644
Filed
1986-05-29
Granted
1988-07-05
Kind
A