HYBRID LOCK
United States Patent 3512382
US Patent References:
/1172203.html
- - 1172203

Barrel for locks
- - 1463495

Key for pin locks
- - 1593683

Magnetic lock and key
- - 2121301

Lock
- - 2370800


Inventors:
Check, Mathias M.
Mauro, Guy
Valentinetti, Salvatore R.
Publication Date:
05/19/1970
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Assignee:
LIQUIDONICS INC
Primary Class:
70/276
Other Classes:
70/413, 70/493, 70/358
International Classes:
E05B47/00; E05B47/00; E05B27/06
US Patent References:
3111834Magnetic locks
3393541Magnetically actuated tumbler lock
3416336Magnetic lock devices




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