Granted Patent
Utility
US 6,302,304 · App. 08/710,704
Dispensing systems
Inventor:
Jeffrey William Spencer
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Sep 20, 1996
Inventor
Jeffrey William Spencer
Assignee (at issue)
RIEKE PACKAGING SYSTEMS LIMITED
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.