Granted Patent
Utility
US 6,388,385 · App. 09/528,093
Corrugated style anode element for ion pumps
Inventors:
James B. McGinn, Miriam Spagnol
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Mar 17, 2000
Inventors
James B. McGinn
Miriam Spagnol
Assignees (at issue)
FEI Company
Varian, 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.