IP Library › Granted Patent US 5,200,858
Granted Patent Utility
US 5,200,858 · App. 07/881,142

Uni-directional gradient index of refraction glasses

Inventors: James J. Hagerty, David N. Pulsifer, Guy E. Rindone
Patented Case View Patent ↗
Granted: Apr 6, 1993 Filed: May 11, 1992
Inventors
James J. Hagerty
David N. Pulsifer
Guy E. Rindone
Assignee (at issue)
LightPath Technologies, Inc.

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Quick Facts
Patent No.
US 5,200,858
App. No.
07/881,142
Filed
1992-05-11
Granted
1993-04-06
Kind
A