Granted Patent
Utility
US 6,683,301 · App. 10/056,671
Charged particle trapping in near-surface potential wells
Inventors:
Craig M. Whitehouse, David G. Welkie
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Jan 25, 2002
Inventors
Craig M. Whitehouse
David G. Welkie
Assignee (at issue)
Analytica of Branford, 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.