US PATENT SUBCLASS 205 / 79
.~ Optical element

Current as of: June, 1999
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205 /   HD   ELECTROLYSIS: PROCESSES, COMPOSITIONS USED THEREIN, AND METHODS OF PREPARING THE COMPOSITIONS

67  DF  ELECTROFORMING OR COMPOSITION THEREFOR {11}
79.~ Optical element

DEFINITION

Classification: 205/79

Optical element:

(under subclass 67) Subject matter wherein the product produced is described as having utility as an optical element.