Granted Patent
Utility
US 6,700,690 · App. 09/969,483
Tunable variable bandpass optical filter
Inventors:
Philip E. Buchsbaum, James D. Lane
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Oct 2, 2001
Inventors
Philip E. Buchsbaum
James D. Lane
Assignee (at issue)
OCEAN OPTICS, 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.