Granted Patent
Utility
US 4,483,530 · App. 06/464,540
Document processing systems
Inventors:
William H. Spencer, Raymond M. McManaman, Roy A. Teves
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Feb 7, 1983
Inventors
William H. Spencer
Raymond M. McManaman
Roy A. Teves
Assignee (at issue)
Bell and Howell, LLC
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.