Granted Patent
Utility
US 5,592,852 · App. 08/333,735
Mechanical oscillator
Inventor:
John D. Parsons
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Nov 3, 1994
Inventor
John D. Parsons
Assignee (at issue)
Norco, 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.