Granted Patent
Utility
US 4,799,301 · App. 07/167,847
Method of making an oscillating crystal force transducer
Inventors:
Douglas R. Scott, Peggy L. Goddard, Joseph P. Wagner
Patented Case
View Patent ↗
Granted: Jan 24, 1989
Filed: Mar 14, 1988
Inventors
Douglas R. Scott
Peggy L. Goddard
Joseph P. Wagner
Assignee (at issue)
ROBERTSHAW CONTROLS PRIVATE LIMITED
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.