Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent
1988-10-19
1991-06-18
Burke, Wallace R.
Tools and hardware
Locking or closing device
Lock, latch or bolt
Patent
active
D03175561
REFERENCES:
patent: 1705363 (1929-03-01), Heyer
patent: 1950723 (1934-03-01), Fitzgerald
patent: 4248068 (1981-02-01), Esser et al.
patent: 4466264 (1984-08-01), del Nero
"Doors and Windows", p. 103--door lock assembly.
Burke Wallace R.
Vinson Brian N.
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