Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent
1988-06-21
1989-08-29
Burke, Wallace R.
Tools and hardware
Locking or closing device
Lock, latch or bolt
Patent
active
D03030792
REFERENCES:
patent: D293878 (1988-01-01), Kayser
patent: 4506527 (1985-03-01), Grill
patent: 4514996 (1985-05-01), Sjogren
patent: 4639022 (1987-01-01), Dunphy et al.
Burke Wallace R.
Chubb Australia Limited
Vinson Brian N.
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