Granted Patent
Utility
US 5,917,906 · App. 08/941,694
Touch pad with tactile feature
Inventor:
Curtis W. Thornton
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Oct 1, 1997
Inventor
Curtis W. Thornton
Assignee (at issue)
ERICSSON GMBH
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.