Granted Patent
Utility
US 4,756,409 · App. 07/102,284
Shelf channel display tray
Inventor:
James Murray
Patented Case
View Patent ↗
Granted: Jul 12, 1988
Filed: Sep 28, 1987
Inventor
James Murray
Assignee (at issue)
Pennwalt 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.