Granted Patent
Utility
US 4,797,007 · App. 07/134,974
Temperature and line pressure probe
Inventor:
John-Michael Elmore
Patented Case
View Patent ↗
Granted: Jan 10, 1989
Filed: Dec 18, 1987
Inventor
John-Michael Elmore
Assignee (at issue)
Emhart Industries, 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.