Granted Patent
Utility
US 4,884,905 · App. 07/158,188
Print head incorporating one piece armature with intermediate clamping pads
Inventor:
Normand C. Smith
Patented Case
View Patent ↗
Granted: Dec 5, 1989
Filed: Feb 19, 1988
Inventor
Normand C. Smith
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.