Granted Patent
Utility
US 6,252,711 · App. 09/532,143
Polarization diversity for birefingent filters
Inventors:
Jay N. Damask, Christopher Doerr
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Mar 21, 2000
Inventors
Jay N. Damask
Christopher Doerr
Assignee (at issue)
LUCENT TECHNOLOGIES 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.