Granted Patent
Utility
US 6,444,945 · App. 09/818,680
Bipolar plasma source, plasma sheet source, and effusion cell utilizing a bipolar plasma source
Inventors:
Peter Maschwitz, Jaime Antonio Li
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Mar 28, 2001
Inventors
Peter Maschwitz
Jaime Antonio Li
Assignee (at issue)
CPFilms 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.