Granted Patent
Utility
US 4,698,234 · App. 06/897,449
Vapor deposition of semiconductor material
Inventors:
Stanford R. Ovshinsky, Subhendu Guha, Prem Nath, Chi C. Yang, Jeffrey P. Fournier, James Kulman
Patented Case
View Patent ↗
Granted: Oct 6, 1987
Filed: Oct 17, 1986
Inventors
Stanford R. Ovshinsky
Subhendu Guha
Prem Nath
Chi C. Yang
Jeffrey P. Fournier
James Kulman
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.