Granted Patent
Utility
US 4,686,331 · App. 06/855,221
Digitizing method and apparatus for compensating cursor of stylus velocity errors
Inventor:
Ken L. Burgess
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Apr 23, 1986
Inventor
Ken L. Burgess
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.