Granted Patent
Utility
US 6,469,300 · App. 09/654,867
Apparatus and method for injecting a concentrated fluorescent dye into a sealed air-conditioning system
Inventors:
Phil Trigiani, Tony Ferraro
Patented Case
View Patent ↗
Granted: Oct 22, 2002
Filed: Sep 5, 2000
Inventors
Phil Trigiani
Tony Ferraro
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.