Tools and hardware – Locking or closing device – Lock – latch or bolt
Patent
1987-02-27
1989-08-22
Word, A. Hugo
Tools and hardware
Locking or closing device
Lock, latch or bolt
D 8330, D25 51
Patent
active
D03029360
REFERENCES:
patent: D230601 (1974-03-01), Cross et al.
patent: D290442 (1987-06-01), Floyd et al.
patent: D295255 (1988-04-01), Mauch
patent: 4637237 (1987-01-01), Witkoski et al.
Lasergate Systems, Inc.
Vinson Brian N.
Word A. Hugo
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