Tools and hardware – Handle – knob or pull – Combined
Patent
1980-04-07
1981-11-10
Bullock, B. J.
Tools and hardware
Handle, knob or pull
Combined
D 8307, D 8352, D0806, D0809
Patent
active
D02617269
REFERENCES:
patent: D83157 (1931-01-01), Graff
patent: D87771 (1932-09-01), Wolters
Design, 3/1952, p. 8, Door Lever with Escutcheon (center of page, bottom).
L'Architecture d'Aujourd'kui, 9/1962, p. L, Door Lever with Escutcheon.
Design, 7/1956, p. 44, Door Lever with Escutcheon.
Bullock B. J.
Valli & Colombo S.p.A.
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