Photography and optical equipment – Ophthalmic article
Patent
1989-09-22
1992-01-28
Rademaker, Charles A.
Photography and optical equipment
Ophthalmic article
Patent
active
D03235157
REFERENCES:
patent: D274821 (1984-07-01), Dair et al.
patent: D285020 (1986-08-01), Schmidthaler
patent: D289301 (1987-04-01), Jannard
patent: D309318 (1990-07-01), Bordonaro
Skiing, Nov. 1987, p. 257.
Barkai R.
Johnson Merrill N.
Rademaker Charles A.
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