File sheet for slide films

Details File sheet for slide films File sheet for slide films

1988-08-08

1992-01-07

Burke, Wallace R.

Office supplies; artists and teachers materials

Book, album or cover

Element or attachment

Patent

active

D03229882

REFERENCES:
patent: D255791 (1973-01-01), Nast
patent: 1956527 (1934-04-01), De Groot
patent: 3245166 (1966-04-01), Hagner
patent: 3857192 (1974-12-01), Mascolo
Highsmith Catalog, 1985/86, p. 255, Rigid slide frame, element A.
Adcom Inc., 1984, p. 147, Slide Viewer & Storage, element B.

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