Granted Patent
Utility
US 5,917,105 · App. 08/912,098
Method of manufacturing a grin lens
Inventors:
Xiaojie Xu, Michael E. Savard
Patented Case
View Patent ↗
Granted: Jun 29, 1999
Filed: Aug 15, 1997
Inventors
Xiaojie Xu
Michael E. Savard
Assignee (at issue)
LightPath Technologies, 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.