Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent
1989-06-13
1991-06-04
Burke, Wallace R.
Tools and hardware
Locking or closing device
Lock, latch or bolt
Patent
active
D03172490
REFERENCES:
patent: D233591 (1974-11-01), Kerr
patent: D244081 (1977-04-01), Steinbach
patent: D253160 (1979-10-01), Steinbach
patent: D283298 (1986-04-01), Turpin
patent: D290581 (1987-06-01), Hughes
patent: 4619122 (1986-10-01), Simpson
Burke Wallace R.
Equipment Systems & Devices, Inc.
Vinson Brian N.
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