Granted Patent
Utility
US 4,267,261 · App. 05/577,003
Method for full format imaging
Inventors:
Robert W. Hallman, Stanford R. Ovshinsky, John P. de Neufville
Patented Case
View Patent ↗
Granted: May 12, 1981
Filed: May 13, 1975
Inventors
Robert W. Hallman
Stanford R. Ovshinsky
John P. de Neufville
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.