Granted Patent
Utility
US 6,216,526 · App. 09/212,916
Gas sampler for molten metal and method
Inventors:
Thomas Junker, Richard A. Falk
Patented Case
View Patent ↗
Granted: Apr 17, 2001
Filed: Dec 16, 1998
Inventors
Thomas Junker
Richard A. Falk
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.