Granted Patent
Utility
US 6,147,565 · App. 09/367,691
Piezo-oscillator with heater and temperature control circuit
Inventors:
Tomio Satoh, Tetsuya Abe
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Aug 18, 1999
Inventors
Tomio Satoh
Tetsuya Abe
Assignee (at issue)
Toyo Communication Equipment Co., Ltd.
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.