Direct opposite reverse refractor

Details Direct opposite reverse refractor Direct opposite reverse refractor

1984-07-30

1986-02-25

Corbin, John K.

350417, G02B 302

Patent

active

045726221

ABSTRACT:
This invention consists of a geometrically patterned lens for primary uses in the field of image projection and refraction.

REFERENCES:
patent: 2490873 (1946-04-01), Johnson
patent: 2979997 (1955-09-01), Bertsch

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