Door knob

Details Door knob Door knob

1979-08-07

1981-10-13

Bullock, B. J.

Tools and hardware

Handle, knob or pull

Singular point of attachment

D 8310, D0806

Patent

active

D02612232

REFERENCES:
patent: D217431 (1970-05-01), Russell
EPCO Brochure, p. 4, Knob KP-52.
"The Ironmonger Cat.," .COPYRGT.1974, p. 4, Knob 557/50.

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