Granted Patent
Utility
US 6,014,484 · App. 09/015,325
Method and device for optical coupling
Inventors:
Gary S. Duck, Yihao Cheng, Calvin Si
Patented Case
View Patent ↗
Granted: Jan 11, 2000
Filed: Jan 29, 1998
Inventors
Gary S. Duck
Yihao Cheng
Calvin Si
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.