Granted Patent
Utility
US 4,699,286 · App. 06/869,371
Plastic bottle caps
Inventor:
Robert L. Nolan
Patented Case
View Patent ↗
Granted: Oct 13, 1987
Filed: Aug 7, 1986
Inventor
Robert L. Nolan
Assignee (at issue)
Bankers Trust 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.