IP Library › Granted Patent US 4,483,633
Granted Patent Utility
US 4,483,633 · App. 06/467,628

Matrix print head printer

Inventors: Jerry J. Kosner, Michael Wisniewski, Tom Faber
Patented Case View Patent ↗
Granted: Nov 20, 1984 Filed: Feb 18, 1983
Inventors
Jerry J. Kosner
Michael Wisniewski
Tom Faber
Assignee (at issue)
Bell and Howell, LLC

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.

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Quick Facts
Patent No.
US 4,483,633
App. No.
06/467,628
Filed
1983-02-18
Granted
1984-11-20
Kind
A