Locks – Parts – attachments – accessories and adjuncts – For key-operated mechanism
Patent
1990-07-03
1993-12-07
Wolfe, Robert L.
Locks
Parts, attachments, accessories and adjuncts
For key-operated mechanism
70417, 70418, 70452, E05B 908
Patent
active
052674614
ABSTRACT:
A cylinder guard including a plurality of guard plates, at least one of which is formed with a plurality of non-rotatable bolt head seats and a plurality of bolts having heads non-rotatably seated in the non-rotatable bolt head seats and arranged for mounting the cylinder guard onto a door.
REFERENCES:
patent: 4316371 (1982-02-01), Del Nero
patent: 4530223 (1985-07-01), Oliver
patent: 4688409 (1987-08-01), Oliver
Mul-T-Lock Ltd.
Wolfe Robert L.
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