Granted Patent
Utility
US 5,894,262 · App. 08/747,276
Electronic doorbell with reversible diode
Inventors:
Kim Irwin McCavit, Roger Donn Bentley
Patented Case
View Patent ↗
Granted: Apr 13, 1999
Filed: Nov 12, 1996
Inventors
Kim Irwin McCavit
Roger Donn Bentley
Assignee (at issue)
Heath Consultants Incorporated
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.