Granted Patent
Utility
US 5,008,579 · App. 07/318,743
Light emitting polymer electrical energy source
Inventors:
Jerry J. Conley, Gary B. Mortensen
Patented Case
View Patent ↗
Granted: Apr 16, 1991
Filed: Mar 3, 1989
Inventors
Jerry J. Conley
Gary B. Mortensen
Assignee (at issue)
E.F. Johnson Company
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.