Granted Patent
Utility
US 6,768,855 · App. 09/900,004
Vertically-tapered optical waveguide and optical spot transformer formed therefrom
Inventors:
Thor Bakke, Charles T. Sullivan
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Jul 5, 2001
Inventors
Thor Bakke
Charles T. Sullivan
Assignee (at issue)
Sandia 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.