Granted Patent
Utility
US 6,135,318 · App. 08/947,355
Variable rate closure for dispensers having fluid contents
Inventor:
Joseph P. Valley, III
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Oct 8, 1997
Inventor
Joseph P. Valley, III
Assignee (at issue)
Stull Technologies, Inc.
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.