Granted Patent
Utility
US 4,847,952 · App. 07/251,668
Product discharge tray mechanism
Inventor:
Alfred J. Evans
Patented Case
View Patent ↗
Granted: Jul 18, 1989
Filed: Sep 29, 1988
Inventor
Alfred J. Evans
Assignee (at issue)
Delaware Capital Formation, Inc.
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.