Granted Patent
Utility
US 6,293,138 · App. 09/458,458
Apparatus and method for introducing leak detection dye into an air conditioning system
Inventors:
Donald L. Konieczny, Eric Kesler, Michael Olesnavich
Patented Case
View Patent ↗
Granted: Sep 25, 2001
Filed: Dec 10, 1999
Inventors
Donald L. Konieczny
Eric Kesler
Michael Olesnavich
Assignee (at issue)
Visteon Global Technologies, 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.