Granted Patent
Utility
US 5,961,371 · App. 08/983,336
Cutting refractory material
Inventors:
Jean-Pierre Meynckens, Bernard Somerhausen
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: Dec 29, 1997
Inventors
Jean-Pierre Meynckens
Bernard Somerhausen
Assignee (at issue)
Glaverbel
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.