Granted Patent
Utility
US 6,581,295 · App. 10/100,305
Material dispensing apparatus with line level
Inventor:
Charles D. Black
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Mar 15, 2002
Inventor
Charles D. Black
Assignee (at issue)
New Products Marketing Company
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.