Granted Patent
Utility
US 5,948,350 · App. 09/022,063
Device for dispensing additive in molten metal sample mold
Inventor:
Richard A. Falk
Patented Case
View Patent ↗
Granted: Sep 7, 1999
Filed: Feb 11, 1998
Inventor
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.