Granted Patent
Utility
US 4,297,045 · App. 06/077,884
Paper feed system for a typewriter or the like
Inventors:
Robert L. Burton, Thomas P. Finan
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Sep 21, 1979
Inventors
Robert L. Burton
Thomas P. Finan
Assignee (at issue)
International Business Machines Corporation
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.