Tools and hardware – Other tools and implements – Abrading
Patent
1982-02-22
1984-07-03
Douglas, Alan P.
Tools and hardware
Other tools and implements
Abrading
Patent
active
D02744970
REFERENCES:
patent: D145803 (1946-10-01), Jones
patent: 1919772 (1933-07-01), Carpenter
patent: 2765680 (1956-10-01), Murchison
patent: 3289498 (1966-12-01), Pleasants
Gruska Casimir
Zabel Herbert E.
American Home Products Corporation
Douglas Alan P.
Teichert Robert D.
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