Granted Patent
Utility
US 4,584,469 · App. 06/454,512
Optical detection of radial reflective defects
Inventor:
Sam Lovalenti
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Dec 30, 1982
Inventor
Sam Lovalenti
Assignee (at issue)
Owens-Illinois 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.