Granted Patent
Utility
US 5,913,347 · App. 08/954,805
Mop head with integral fused brush array
Inventor:
Joseph M. Wilen
Patented Case
View Patent ↗
Granted: Jun 22, 1999
Filed: Oct 21, 1997
Inventor
Joseph M. Wilen
Assignee (at issue)
Wilen Acquisition Corporation
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.