Granted Patent
Utility
US 5,379,605 · App. 08/187,212
Method for cleaning air conditioning system
Inventors:
George R. Outlaw, Fred L. Ptacek, Charles R. Smith
Patented Case
View Patent ↗
Granted: Jan 10, 1995
Filed: Jan 27, 1994
Inventors
George R. Outlaw
Fred L. Ptacek
Charles R. Smith
Assignee (at issue)
Wynns Climate 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.