Granted Patent
Utility
US 6,012,307 · App. 08/998,399
Dry-cleaning machine with controlled agitation
Inventor:
Gregory L. Malchow
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Dec 24, 1997
Inventor
Gregory L. Malchow
Assignee (at issue)
Ratheon Commercial Laundry LLC
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.