Granted Patent
Utility
US 5,335,293 · App. 07/899,450
Product inspection method and apparatus
Inventors:
Anthony R. Vannelli, Thomas C. Madsen
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Jun 16, 1992
Inventors
Anthony R. Vannelli
Thomas C. Madsen
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.