Granted Patent
Utility
US 4,383,755 · App. 06/338,558
Unitary, modular, demountable optical system for laser diode/printing copying apparatus
Inventors:
Richard C. Fedder, George C. Schafner, Thomas Robson, Thomas F. McMahon
Patented Case
View Patent ↗
Granted: May 17, 1983
Filed: Jan 11, 1982
Inventors
Richard C. Fedder
George C. Schafner
Thomas Robson
Thomas F. McMahon
Assignee (at issue)
Burroughs, 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.