IP Library Granted Patent US 5,334,975
Granted Patent Utility
US 5,334,975 · App. 07/731,843

Residential time reference system

Inventors: David E. Wachob, Hal M. Krisbergh
Patented Case View Patent ↗
Granted: Aug 2, 1994 Filed: Jul 16, 1991
Inventors
David E. Wachob
Hal M. Krisbergh

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Quick Facts
Patent No.
US 5,334,975
App. No.
07/731,843
Filed
1991-07-16
Granted
1994-08-02
Kind
A