Granted Patent
Utility
US 6,200,352 · App. 09/234,145
Dry cleaning methods and compositions
Inventors:
Timothy J. Romack, David F. Cauble, James B. McClain
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Jan 19, 1999
Inventors
Timothy J. Romack
David F. Cauble
James B. McClain
Assignee (at issue)
Micell 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.