Door security device

Details Door security device Door security device

1994-08-03

1996-12-24

Chin, Kay H.

Tools and hardware

Locking or closing device

D8333

Patent

active

D03767477

REFERENCES:
patent: D351781 (1994-10-01), DeWitt
patent: 765658 (1904-07-01), Beseler
patent: 827624 (1906-07-01), Foster
patent: 3451708 (1969-06-01), Brooks
patent: 3640558 (1972-02-01), Gewertz et al.
patent: 3853343 (1974-12-01), Hunter
patent: 4155577 (1979-05-01), Raymond
patent: 4474394 (1984-10-01), Crepinsek
patent: 4478442 (1984-10-01), Martin
patent: 4575140 (1986-03-01), Dargis
patent: 4917422 (1990-04-01), Rose
patent: 5016930 (1991-05-01), Hamilton

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