Granted Patent
Utility
US 6,119,366 · App. 09/109,460
Chemical drying and cleaning method
Inventors:
Gary W. Ferrell, Robert Elson, John F. Schipper
Patented Case
View Patent ↗
Granted: Sep 19, 2000
Filed: Jul 2, 1998
Inventors
Gary W. Ferrell
Robert Elson
John F. Schipper
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.