Granted Patent
Utility
US 5,581,862 · App. 08/367,447
Filler tube for liquid containers
Inventors:
Kevin R. Choma, Jack L. Boldt, Jr.
Patented Case
View Patent ↗
Granted: Dec 10, 1996
Filed: Dec 29, 1994
Inventors
Kevin R. Choma
Jack L. Boldt, Jr.
Assignee (at issue)
Federal Signal Corporation
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.