Door lock guard

Details Door lock guard Door lock guard

1993-04-26

1994-12-13

Vinson, Brian N.

Tools and hardware

Locking or closing device

Lock, latch or bolt

D 8343

Patent

active

D03533190

REFERENCES:
patent: D23779 (1894-11-01), Byrne
patent: D35184 (1901-10-01), Ryan
patent: D177089 (1956-03-01), Farley
patent: D229165 (1973-11-01), Wormood
patent: D302937 (1989-08-01), Briggs
patent: 4178027 (1979-12-01), Charron
patent: 4629231 (1986-12-01), Bouchard
patent: 4751834 (1988-06-01), Beck
patent: 5029460 (1991-07-01), Anastasiou
patent: 5076082 (1991-12-01), Filho

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