Granted Patent
Utility
US 4,663,567 · App. 06/792,334
Generation of stable linear plasmas
Inventor:
Sik-Lam Wong
Patented Case
View Patent ↗
Granted: May 5, 1987
Filed: Oct 28, 1985
Inventor
Sik-Lam Wong
Assignee (at issue)
Physics International 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.