Granted Patent
Utility
US 5,939,637 · App. 09/032,455
Three-piece pressure sensor with high pressure stainless steel sensor element
Inventors:
Paul J. Pitzer, John Amos
Patented Case
View Patent ↗
Granted: Aug 17, 1999
Filed: Feb 26, 1998
Inventors
Paul J. Pitzer
John Amos
Assignee (at issue)
DELCO ELECTRONICS CORPORATION
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.