Showing 1 - 20 results of 29 for search '"FUTHEY, JOHN A"', query time: 0.85s Refine Results  

DIFFRACTIVE LENS

by FUTHEY, JOHN A
Year of Publication 30.01.2001
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Patent

Diffractive lens

by FUTHEY, JOHN A
Year of Publication 11.10.1995
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Patent

Diffractive lens

by FUTHEY, JOHN A
Year of Publication 13.02.1991
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Patent