Granted Patent
Utility
US 4,735,521 · App. 07/050,114
Drive apparatus for a printer mechanism
Inventor:
Paul Watkins
Patented Case
View Patent ↗
Granted: Apr 5, 1988
Filed: May 15, 1987
Inventor
Paul Watkins
Assignee (at issue)
Eaton 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.