Granted Patent
Utility
US 6,829,836 · App. 10/447,484
Material dispensing apparatus with line level
Inventor:
Charles D. Black
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: May 28, 2003
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.