IP Library › Granted Patent US 5,262,896
Granted Patent Utility
US 5,262,896 · App. 07/827,272

Refractive elements with graded properties and methods of making same

Inventor: Richard Blankenbecler
Patented Case View Patent ↗
Granted: Nov 16, 1993 Filed: Jan 29, 1992
Inventor
Richard Blankenbecler
Assignee (at issue)
LightPath Technologies, L.P.

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Quick Facts
Patent No.
US 5,262,896
App. No.
07/827,272
Filed
1992-01-29
Granted
1993-11-16
Kind
A