Granted Patent
Utility
US 4,487,082 · App. 06/453,010
Molten metal sampler for jominey test
Inventor:
Joseph J. Boron
Patented Case
View Patent ↗
Granted: Dec 11, 1984
Filed: Dec 27, 1982
Inventor
Joseph J. Boron
Assignee (at issue)
MIDWEST INSTRUMENT COMPANY
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.