Granted Patent
Utility
US 4,218,913 · App. 06/029,494
Apparatus for inspecting plastic containers
Inventor:
Gary Comfort
Patented Case
View Patent ↗
Granted: Aug 26, 1980
Filed: Apr 12, 1979
Inventor
Gary Comfort
Assignee (at issue)
Powers Manufacturing, 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.