Granted Patent
Utility
US 6,741,381 · App. 10/291,073
Modified tunable acousto-optic filter
Inventors:
Marc David Levenson, Robert Lodenkemper
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Nov 8, 2002
Inventors
Marc David Levenson
Robert Lodenkemper
Assignee (at issue)
Picarro, 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.