Granted Patent
Utility
US 4,648,955 · App. 06/724,912
Planar multi-junction electrochemical cell
Inventor:
Henri J. R. Maget
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Apr 19, 1985
Inventor
Henri J. R. Maget
Assignee (at issue)
IVAC 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.