Granted Patent
Utility
US 6,253,908 · App. 09/519,872
Vibratory conveyor
Inventor:
David Gilman
Patented Case
View Patent ↗
Granted: Jul 3, 2001
Filed: Mar 6, 2000
Inventor
David Gilman
Assignee (at issue)
Allen Machinery, 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.