Granted Patent
Utility
US 4,830,180 · App. 07/144,497
Article inspection and stabilizing system
Inventors:
W. Sheldon Ferguson, Howard E. Paulson, Robert E. Ruthven
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Jan 15, 1988
Inventors
W. Sheldon Ferguson
Howard E. Paulson
Robert E. Ruthven
Assignee (at issue)
Key Technology, 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.