Granted Patent
Utility
US 6,653,591 · App. 09/695,465
Method and apparatus for direct electrothermal-physical conversion of ceramic into nanopowder
Inventors:
Dennis R. Peterson, Dennis Wilson
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: Oct 24, 2000
Inventors
Dennis R. Peterson
Dennis Wilson
Assignee (at issue)
NANO TECHNOLOGIES GROUP, INC.
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.