Granted Patent
Utility
US 6,239,790 · App. 09/375,797
Force sensing semiconductive touchpad
Inventors:
John K. Martinelli, Robert Matthew Martinelli, Mark C. Pickett, Wendell W. Ritchey, Stuart J. Yaniger
Patented Case
View Patent ↗
Granted: May 29, 2001
Filed: Aug 17, 1999
Inventors
John K. Martinelli
Robert Matthew Martinelli
Mark C. Pickett
Wendell W. Ritchey
Stuart J. Yaniger
Assignee (at issue)
INTERLINK ELECTRONICS, INC.
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.