Granted Patent
Utility
US 6,305,579 · App. 09/414,179
Snap-on screw-off closure
Inventor:
Charles J. Long, Jr.
Patented Case
View Patent ↗
Granted: Oct 23, 2001
Filed: Oct 7, 1999
Inventor
Charles J. Long, Jr.
Assignee (at issue)
International Plastics and Equipment Corp.
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.