Granted Patent
Utility
US 5,042,495 · App. 06/874,225
Pressure sensor
Inventors:
Edward L. Spotts, David P. Newman, Robert E. Farreau
Patented Case
View Patent ↗
Granted: Aug 27, 1991
Filed: Jun 13, 1986
Inventors
Edward L. Spotts
David P. Newman
Robert E. Farreau
Assignee (at issue)
Cobe Laboratories, 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.