Granted Patent
Utility
US 6,796,340 · App. 10/444,000
Method and dispenser for pressurized containers used with automobile air conditioning systems
Inventors:
James E. Ferris, William J. Quest
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: May 22, 2003
Inventors
James E. Ferris
William J. Quest
Assignee (at issue)
E.F. Products
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.