Photography and optical equipment – Optical article not elsewhere specified – Lens or objective
Patent
1983-11-14
1985-04-09
Burke, Wallace R.
Photography and optical equipment
Optical article not elsewhere specified
Lens or objective
Patent
active
D02783487
REFERENCES:
patent: D256589 (1980-08-01), Iwashita
patent: 1702317 (1929-02-01), Rose
patent: 2713807 (1955-07-01), Herbent
Industrial Magnifiers, Bausch & Lomb, May 1969, Brochure, pp. 3, 12, 17, Sundry Magnifiers.
Burke Wallace R.
Fay Horace B.
Horgan Investments Pty. Ltd.
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