Tools and hardware – Other tools and implements – Hammer type
Patent
1987-07-13
1989-08-22
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Hammer type
D 8 77
Patent
active
D03029328
REFERENCES:
patent: D177694 (1956-05-01), Plumb, II et al.
patent: D246755 (1977-12-01), Root
patent: 2884970 (1959-05-01), Tarbox
patent: 3753602 (1973-08-01), Carmien
patent: 4242780 (1981-01-01), Littman
Garland Manufacturing Co. advertising brochure from 7/21/1966, p. 173, solid head hammer.
Hammacher-Schlemmer Hardware, Tools & Supplies, p. 575, Round w/Ring Mallet.
Chapin David S.
Oberg Thomas W.
Cooper Industries Inc.
Dunkins Bruce W.
Heflin Clare E.
Scott Eddie E.
Thiele Alan R.
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