Crank

Details Crank Crank

1993-03-01

1994-05-10

Bullock, B. J.

Tools and hardware

Handle, knob or pull

Singular point of attachment

D15142

Patent

active

D03467392

REFERENCES:
patent: D289370 (1987-04-01), Bertani
patent: D292550 (1987-11-01), Jackson
patent: D305544 (1990-01-01), Ganter
patent: D324479 (1992-03-01), Tinz
patent: D336233 (1993-06-01), Zimmermann
patent: 2108554 (1938-02-01), Berg

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