Granted Patent
Utility
US 5,285,690 · App. 07/825,620
Pressure sensor having a laminated substrate
Inventors:
Edward F. Koen, Robert Vernon
Patented Case
View Patent ↗
Granted: Feb 15, 1994
Filed: Jan 24, 1992
Inventors
Edward F. Koen
Robert Vernon
Assignee (at issue)
Fox Boro Company
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.