Granted Patent
Utility
US 4,735,084 · App. 06/782,649
Method and apparatus for gross leak detection
Inventor:
Paul R. Fruzzetti
Patented Case
View Patent ↗
Granted: Apr 5, 1988
Filed: Oct 1, 1985
Inventor
Paul R. Fruzzetti
Assignee (at issue)
Varian, 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.