Granted Patent
Utility
US 6,201,533 · App. 09/140,717
Method and apparatus for applying force in force feedback devices using friction
Inventors:
Louis B. Rosenberg, Bruce M. Schena
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Aug 26, 1998
Inventors
Louis B. Rosenberg
Bruce M. Schena
Assignee (at issue)
Immersion, LLC
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.