Granted Patent
Utility
US 5,592,286 · App. 08/400,359
Container flange inspection system using an annular lens
Inventor:
Richard L. Fedor
Patented Case
View Patent ↗
Granted: Jan 7, 1997
Filed: Mar 8, 1995
Inventor
Richard L. Fedor
Assignee (at issue)
Alltrista Corporation
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.