Granted Patent
Utility
US 6,317,017 · App. 09/425,325
Resonator having a variable resonance frequency
Inventor:
Tsutomu Takenaka
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Oct 21, 1999
Inventor
Tsutomu Takenaka
Assignee (at issue)
Agilent 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.