Granted Patent
Utility
US 6,590,706 · App. 09/658,854
Optical circulators using beam angle turners
Inventors:
Ping Xie, Yonglin Huang
Patented Case
View Patent ↗
Granted: Jul 8, 2003
Filed: Sep 8, 2000
Inventors
Ping Xie
Yonglin Huang
Assignee (at issue)
FINISAR 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.