Granted Patent
Utility
US 6,652,176 · App. 10/284,500
Reservoir and applicator unit
Inventor:
Norbert Dumler
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Oct 31, 2002
Inventor
Norbert Dumler
Assignee (at issue)
GEKA BRUSH GMBH
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.