Card – picture – or sign exhibiting – Photographic transparency viewer – e.g. – x-ray viewer – Hand held slide viewer
Patent
1982-09-29
1983-11-22
Mancene, Gene
Card, picture, or sign exhibiting
Photographic transparency viewer, e.g., x-ray viewer
Hand held slide viewer
40 10D, 63 1R, 63 23, G02B 2702
Patent
active
044160747
ABSTRACT:
A finger ring is provided with an endless strip of film held in a track formed within the ring. The ring includes a lens for viewing the film, a light transmitting system to apply light to the film and a film advance mechanism for moving the film a predetermined distance each time the advance mechanism is actuated.
REFERENCES:
patent: 33031 (1861-08-01), Dagron
patent: 203323 (1878-05-01), Closson
patent: 507529 (1893-10-01), Doe
patent: 1333284 (1920-03-01), Schreiber
patent: 1487173 (1924-03-01), Manion
patent: 1586606 (1926-06-01), Cain
patent: 2129759 (1938-09-01), Goldman
patent: 2520410 (1950-08-01), Jelinek
patent: 2570913 (1951-10-01), Brown
patent: 2668369 (1954-02-01), Hepp
patent: 3321934 (1967-05-01), Boyd
Berford Saint Elmo B.
Guerrero Benjamin G.
Contreras Wenceslao J.
Goldman Ronald M.
Mancene Gene
Mattel Inc.
O'Neill James G.
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