Granted Patent
Utility
US 5,134,898 · App. 07/666,171
Rotary tactile feedback apparatus
Inventor:
Eric L. Anderson
Patented Case
View Patent ↗
Granted: Aug 4, 1992
Filed: Mar 7, 1991
Inventor
Eric L. Anderson
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.