Granted Patent
Utility
US 6,253,810 · App. 09/557,831
Apparatus for detecting leaks in a pressurized air conditioning or refrigeration system
Inventor:
Phil Trigiani
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Apr 26, 2000
Inventor
Phil Trigiani
Assignee (at issue)
UView Ultraviolet Systems, 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.