Granted Patent
Utility
US 5,309,556 · App. 07/887,574
Method for using interactive computer graphics to control electronic instruments
Inventor:
Robert C Sismilich
Patented Case
View Patent ↗
Granted: May 3, 1994
Filed: May 18, 1992
Inventor
Robert C Sismilich
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.