Granted Patent
Utility
US 3,983,076 · App. 05/375,794
N-type amorphous semiconductor materials
Inventors:
Howard K. Rockstad, Richard A. Flasck
Patented Case
View Patent ↗
Granted: Sep 28, 1976
Filed: Jul 2, 1973
Inventors
Howard K. Rockstad
Richard A. Flasck
Assignee (at issue)
Energy Conversion Devices, 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.