Granted Patent
Utility
US 6,595,712 · App. 10/298,029
Wash brush system with removable head
Inventor:
Vicki Sickler
Patented Case
View Patent ↗
Granted: Jul 22, 2003
Filed: Nov 15, 2002
Inventor
Vicki Sickler
Assignee (at issue)
Hopkins Manufacturing 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.