Granted Patent
Utility
US 4,514,581 · App. 06/440,090
Solar cells having ultrathin active layers
Inventors:
John C. C. Fan, Carl O. Bozler
Patented Case
View Patent ↗
Granted: Apr 30, 1985
Filed: Nov 8, 1982
Inventors
John C. C. Fan
Carl O. Bozler
Assignee (at issue)
MASSACHUSETTS INSTITUTE OF TECHNOLOGY
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.