Granted Patent
Utility
US 5,322,015 · App. 07/927,238
Rotating brush cleaner system
Inventor:
Charles R. Gasparrini
Patented Case
View Patent ↗
Granted: Jun 21, 1994
Filed: Aug 7, 1992
Inventor
Charles R. Gasparrini
Assignee (at issue)
Baldwin Technology Company, 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.