Granted Patent
Utility
US 4,556,794 · App. 06/696,616
Secondary ion collection and transport system for ion microprobe
Inventors:
James W. Ward, Herbert Schlanger, Hugh McNulty, Jr., Norman W. Parker
Patented Case
View Patent ↗
Granted: Dec 3, 1985
Filed: Jan 30, 1985
Inventors
James W. Ward
Herbert Schlanger
Hugh McNulty, Jr.
Norman W. Parker
Assignee (at issue)
Hughes Aircraft 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.