Perforator

Details Perforator Perforator

1978-09-27

1980-08-19

Stearman, Joel

Office supplies; artists and teachers materials

Office equipment not elsewhere specified

Perforating or cutting

D1902

Patent

active

D02564793

REFERENCES:
patent: D237070 (1975-10-01), Wilson
patent: D239770 (1976-05-01), Inoue
patent: 3859726 (1975-01-01), Mitsunari
patent: 3944373 (1976-03-01), Farjon et al.

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