Granted Patent
Utility
US 5,697,509 · App. 08/791,013
Hinged tamper-evidencing closure
Inventor:
Thomas H. Hayes
Patented Case
View Patent ↗
Granted: Dec 16, 1997
Filed: Jan 27, 1997
Inventor
Thomas H. Hayes
Assignee (at issue)
Anchor Packaging, LLC
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.