Card punch

Details Card punch Card punch

1984-11-08

1987-10-20

Spangler, Robert C.

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

Patent

active

D02924196

REFERENCES:
patent: D145647 (1946-09-01), Stewart
patent: 3372482 (1968-03-01), Mercorelli
patent: 4166404 (1979-09-01), Almoq
patent: 4240572 (1980-12-01), Mitsuhashi

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