Granted Patent
Utility
US 6,512,385 · App. 09/626,420
Method for testing a device under test including the interference of two beams
Inventors:
Paul L. Pfaff, Kevin Russell
Patented Case
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Granted: Jan 28, 2003
Filed: Jul 26, 2000
Inventors
Paul L. Pfaff
Kevin Russell
Assignee (at issue)
Paul Pfaff
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.