Granted Patent
Utility
US 6,285,508 · App. 09/343,772
Beam splitting ball lens method for its manufacture and apparatus for its packaging
Inventors:
Jun Ai, Jan Popelek, Yao Li, Ray T. Chen
Patented Case
View Patent ↗
Granted: Sep 4, 2001
Filed: Jun 30, 1999
Inventors
Jun Ai
Jan Popelek
Yao Li
Ray T. Chen
Assignees (at issue)
Radiant Research Limited
NEC Research Institute, 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.