Granted Patent
Utility
US 4,863,057 · App. 07/188,025
Dual locked container system
Inventors:
Paul H. Hanifl, John J. Newton, Jr., Donald J. Mosior
Patented Case
View Patent ↗
Granted: Sep 5, 1989
Filed: Apr 29, 1988
Inventors
Paul H. Hanifl
John J. Newton, Jr.
Donald J. Mosior
Assignee (at issue)
Sage Products, 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.