Granted Patent
Utility
US 5,250,871 · App. 07/713,260
Low vibration sensitivity crystal resonator arrangement
Inventors:
Michael M. Driscoll, Norman G. Matthews
Patented Case
View Patent ↗
Granted: Oct 5, 1993
Filed: Jun 13, 1991
Inventors
Michael M. Driscoll
Norman G. Matthews
Assignee (at issue)
Westinghouse Electric Company LLC
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.