Hinge pin locks

Details Hinge pin locks Hinge pin locks

1975-06-19

1976-07-20

Moore, Richard E.

Closure fasteners

Rigid engaging means

E05C 1900

Patent

active

039703401

ABSTRACT:
A tamper proof hinge pin-lock which prevents unauthorized removal of the door from the exterior thereof.

REFERENCES:
patent: 420298 (1890-01-01), Gminder
patent: 1391304 (1921-09-01), Dowling
patent: 1651320 (1927-11-01), Brugmann
patent: 1689031 (1928-10-01), Hossard

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