Granted Patent
Utility
US 5,513,409 · App. 08/321,808
Floor cleaning assembly including gimballing
Inventor:
Edward T. Biegel
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Oct 12, 1994
Inventor
Edward T. Biegel
Assignee (at issue)
Windsor Industries, 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.