Granted Patent
Utility
US 6,262,520 · App. 09/396,996
Inertial rate sensor tuning fork
Inventor:
Stuart John Knowles
Patented Case
View Patent ↗
Granted: Jul 17, 2001
Filed: Sep 15, 1999
Inventor
Stuart John Knowles
Assignee (at issue)
BEI Technologies, 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.