Granted Patent
Utility
US 4,334,792 · App. 06/079,627
Destination-referenced tab, operations for typewriters that store text
Inventors:
William F. Joest, III, William R. McCray, Edward V. Rutkowski, Jr.
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Sep 27, 1979
Inventors
William F. Joest, III
William R. McCray
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.