Granted Patent
Utility
US 4,649,503 · App. 06/571,265
Inspection apparatus for inspecting articles moving on a conveyor
Inventor:
Rene Keller
Patented Case
View Patent ↗
Granted: Mar 10, 1987
Filed: Jan 16, 1984
Inventor
Rene Keller
Assignee (at issue)
Emhart Industries, 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.