Granted Patent
Utility
US 5,727,713 · App. 08/577,836
Closed dispenser product supply unit
Inventors:
Paul Kateman, Matthew K. Haggerty, Jonathan B. Kateman, Clifford S. Lansil, Christopher Zirps
Patented Case
View Patent ↗
Granted: Mar 17, 1998
Filed: Dec 22, 1995
Inventors
Paul Kateman
Matthew K. Haggerty
Jonathan B. Kateman
Clifford S. Lansil
Christopher Zirps
Assignee (at issue)
Kateman Family Limited Partnership
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.