Granted Patent
Utility
US 4,304,607 · App. 06/025,840
Photovoltaic cell
Inventors:
John F. Jordan, Curtis M. Lampkin
Patented Case
View Patent ↗
Granted: Dec 8, 1981
Filed: Apr 2, 1979
Inventors
John F. Jordan
Curtis M. Lampkin
Assignee (at issue)
Photon Power, Inc.
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.