Granted Patent
Utility
US 6,208,006 · App. 09/120,253
Thin film spatial filters
Inventors:
Jon S. McElvain, John L. Langan, Alan J. Heeger
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Jul 21, 1998
Inventors
Jon S. McElvain
John L. Langan
Alan J. Heeger
Assignee (at issue)
Uniax Corporation
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.