Door knocker

Tools and hardware – Fitting for door – window or furniture not elsewhere specified – Knocker

Patent

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Details

1006

Patent

active

D04146816

REFERENCES:
patent: D73420 (1927-09-01), Whitaker
patent: D346955 (1994-05-01), Marks, Jr.
patent: 4930181 (1990-06-01), Johnson

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