Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent
1977-10-04
1980-07-08
Stallard, W.
Tools and hardware
Locking or closing device
Lock, latch or bolt
D 8382, D 8394, D0808
Patent
active
D02557720
REFERENCES:
patent: 2239125 (1941-04-01), Summers
patent: 3554075 (1971-01-01), Johnson
patent: 3564563 (1971-02-01), Trotter et al.
Johnson Norman S.
Trotter Robert J.
Samuelson Cyrus D.
Stallard W.
United Products Inc.
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