Granted Patent
Utility
US 4,844,317 · App. 07/077,475
Position transducer for use with a printer or plotter
Inventors:
Samuel A. Stodder, Robert D. Haselby
Patented Case
View Patent ↗
Granted: Jul 4, 1989
Filed: Jul 24, 1987
Inventors
Samuel A. Stodder
Robert D. Haselby
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.