Granted Patent
Utility
US 4,253,097 · App. 06/024,933
Method and apparatus for reducing power consumption to activate electroluminescent panels
Inventor:
Paul Hochstrate
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: Mar 29, 1979
Inventor
Paul Hochstrate
Assignee (at issue)
Timex 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.