Granted Patent
Utility
US 6,443,948 · App. 09/719,691
Plasma knife
Inventor:
Nikolaj Suslov
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Feb 20, 2001
Inventor
Nikolaj Suslov
Assignee (at issue)
Nikval International AB
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.