Tools and hardware – Other tools and implements – Abrading
Patent
1987-10-02
1990-09-11
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Abrading
D28 59
Patent
active
D03104737
REFERENCES:
patent: D60007 (1921-12-01), Baldwin
patent: D242896 (1977-01-01), Poliquin
patent: 1466391 (1923-08-01), Eskew et al.
patent: 1631212 (1927-06-01), King
patent: 4683898 (1987-08-01), Lojovich
Kanamaru Yutaka
Takeda Yasuharu
Dunkins Bruce W.
Heflin Clare E.
Ryoki Ltd.
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