Tools and hardware – Other tools and implements – Abrading
Patent
1988-04-29
1991-05-07
Dunkins, Bruce W.
Tools and hardware
Other tools and implements
Abrading
Patent
active
D03166627
REFERENCES:
patent: D106453 (1937-10-01), Roesch
patent: D216210 (1969-12-01), Coon et al.
patent: 823279 (1906-06-01), Kellogg
patent: 2030161 (1936-02-01), von der Lippen
patent: 3280514 (1966-10-01), Raymond
patent: 3623280 (1971-11-01), Chesnut
Dunkins Bruce W.
Heflin Clare E.
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