Turning – Process of turning
Patent
1981-05-11
1983-09-27
Schran, Donald R.
Turning
Process of turning
82 11, 82 18, 51284R, B23B 100
Patent
active
044061897
ABSTRACT:
A method of rapidly making lenticular contact lenses having a flange thinner than the optical section of the lens and of uniform thickness regardless of refractive power.
REFERENCES:
patent: 3624719 (1971-11-01), Romi
patent: 4084458 (1978-04-01), Galley
patent: 4134315 (1979-01-01), Bendini
patent: 4239712 (1980-12-01), Neefe
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