Letter sorter

Details Letter sorter Letter sorter

1985-12-23

1989-01-10

Ansher, Bernard

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Holder or file

D 6407, D19 75

Patent

active

D02993619

REFERENCES:
patent: D143643 (1946-01-01), Burger
patent: D268119 (1983-03-01), Evenson
patent: D269574 (1983-07-01), Dougherty
patent: D270256 (1983-08-01), Sankey
patent: 660541 (1900-10-01), Field
patent: 4438852 (1984-03-01), Evans

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