Granted Patent
Utility
US 4,354,765 · App. 06/079,415
Hyphen characterization apparatus for a typewriter
Inventors:
James C. Buchanan, Edward V. Rutkowski, Jr.
Patented Case
View Patent ↗
Granted: Oct 19, 1982
Filed: Sep 27, 1979
Inventors
James C. Buchanan
Edward V. Rutkowski, Jr.
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.