Granted Patent
Utility
US 6,757,472 · App. 09/924,578
Optical waveplate and an optical device using the waveplate
Inventor:
Mart Diemeer
Patented Case
View Patent ↗
Granted: Jun 29, 2004
Filed: Aug 9, 2001
Inventor
Mart Diemeer
Assignee (at issue)
JDS Uniphase 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.