Granted Patent
Utility
US 5,339,296 · App. 07/893,239
Electric alarm clock with battery back-up
Inventor:
Joel Davis
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Jun 3, 1992
Inventor
Joel Davis
Assignee (at issue)
General Time Corporation
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.