Assignee

LIGHTPATH TECHNOLOGIES L P

US·1 granted patent·30 citations·filing 1992–1992

Technology mixC03C1 G02B1

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0167US5262896ARefractive elements with graded properties and methods of making sameLIGHTPATH TECHNOLOGIES L P·Filed 1992·Granted Nov 16, 1993·30 cites·25 claims

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