Granted Patent
Utility
US 5,767,839 · App. 08/400,233
Method and apparatus for providing passive force feedback to human-computer interface systems
Inventor:
Louis B. Rosenberg
Patented Case
View Patent ↗
Granted: Jun 16, 1998
Filed: Mar 3, 1995
Inventor
Louis B. Rosenberg
Assignee (at issue)
Immersion Human Interface Corporation
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.