Tools and hardware – Hinge – Leaf type
Patent
1988-10-13
1989-08-29
Bullock, B. J.
Tools and hardware
Hinge
Leaf type
Patent
active
D03030776
REFERENCES:
patent: D74076 (1927-12-01), Sellers
patent: D193091 (1962-06-01), Stocker, Jr.
patent: 2867840 (1959-01-01), Peterson
Sweet's Arch. Cat. File 1956; Sec. 18e/St., p. 7; full surface prison hinge.
Bullock B. J.
Katoh Electrical Machinery Co. Ltd.
Oujevolk George B.
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