Granted Patent
Utility
US 5,883,301 · App. 08/603,549
Method and apparatus for calibrating a leak detector
Inventors:
Ernest A. Filippi, Kenneth L. Miller
Patented Case
View Patent ↗
Granted: Mar 16, 1999
Filed: Feb 21, 1996
Inventors
Ernest A. Filippi
Kenneth L. Miller
Assignee (at issue)
Campo/Miller
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.