Granted Patent
Utility
US 5,480,134 · App. 08/239,509
Mechanism for opening and closing a resealable cartridge
Inventor:
Anthony Weber
Patented Case
View Patent ↗
Granted: Jan 2, 1996
Filed: May 9, 1994
Inventor
Anthony Weber
Assignee (at issue)
Minnesota Mining and Manufacturing Company
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.