Granted Patent
Utility
US 5,902,417 · App. 08/764,803
High efficiency tandem solar cells, and operating method
Inventors:
David R. Lillington, Stephen C. Miller
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Dec 12, 1996
Inventors
David R. Lillington
Stephen C. Miller
Assignee (at issue)
Hughes Electronic 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.