Granted Patent
Utility
US 5,375,689 · App. 08/065,675
Controlled flow gravity conveyor system and method
Inventors:
Gordon K. Sapp, Mark W. Henson
Patented Case
View Patent ↗
Granted: Dec 27, 1994
Filed: May 21, 1993
Inventors
Gordon K. Sapp
Mark W. Henson
Assignee (at issue)
FKI Industries, 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.