Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses
Patent
1984-11-05
1987-04-07
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
351111, 351124, G02C 514, G02C 502
Patent
active
046555641
ABSTRACT:
The present invention relates to plastic eyewear, i.e. spectacle frames and parts thereof in which the plastic is selected from the group consisting of polyetherimide and polyethersulfone.
REFERENCES:
Modern Plastics, vol. 25, Jul. 1948, No. 11.
Bovernick Rodney B.
Simro A.G.
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