Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent
1978-11-21
1982-05-04
Gandy, James M.
Tools and hardware
Locking or closing device
Lock, latch or bolt
D 8400, D0807
Patent
active
D02641771
REFERENCES:
patent: 3964125 (1976-06-01), Tansley
patent: 4140017 (1979-02-01), Cole et al.
Cole Albert
Sturgeon Ronald F.
Gandy James M.
Thermoforce Limited
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