Granted Patent
Utility
US 4,197,797 · App. 05/844,520
Modular high speed printing system
Inventors:
Wilson P. Rayfield, Norman H. Preston, Ronald Worden Ferguson, Frederick H. Dear, Henry M. Korytkowski, Frank L. Muster, Ward L. Karns
Patented Case
View Patent ↗
Granted: Apr 15, 1980
Filed: Oct 21, 1977
Inventors
Wilson P. Rayfield
Norman H. Preston
Ronald Worden Ferguson
Frederick H. Dear
Henry M. Korytkowski
Frank L. Muster
Ward L. Karns
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.