IP Library Granted Patent US 5,316,355
Granted Patent Utility
US 5,316,355 · App. 08/061,219

Integral door knob assembly with spring return

Inventors: Rae Hartwell, Ian Garben
Patented Case View Patent ↗
Granted: May 31, 1994 Filed: May 13, 1993
Inventors
Rae Hartwell
Ian Garben
Assignee (at issue)
Masco Corporation of Indiana

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Quick Facts
Patent No.
US 5,316,355
App. No.
08/061,219
Filed
1993-05-13
Granted
1994-05-31
Kind
A