Granted Patent
Utility
US 4,315,694 · App. 06/053,649
Carrier for print element and ribbon cartridges
Inventors:
Adolph B. Habich, Ronald E. Hunt
Patented Case
View Patent ↗
Granted: Feb 16, 1982
Filed: Jun 29, 1979
Inventors
Adolph B. Habich
Ronald E. Hunt
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.