Door knob

Tools and hardware – Handle – knob or pull – Pivoted or hinged to use position

Patent

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D 8307

Patent

active

D03258653

REFERENCES:
patent: D165976 (1952-02-01), Goserud
patent: D203868 (1966-02-01), Bourgeois
patent: D248366 (1978-07-01), Arends
patent: D315858 (1991-04-01), Frattini
Paul Associates Cat.; p. 51; lever 537.

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