Granted Patent
Utility
US 6,137,048 · App. 09/218,206
Process for fabricating polycrystalline semiconductor thin-film solar cells, and cells produced thereby
Inventors:
Xuanzhi Wu, Peter Sheldon
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Dec 22, 1998
Inventors
Xuanzhi Wu
Peter Sheldon
Assignee (at issue)
Midwest Research Institute, 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.