Electric chisel

Tools and hardware – Other tools and implements – With relative movement of parts while performing function

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D8 62

Patent

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D03741591

REFERENCES:
patent: D254048 (1980-01-01), Hauenstein
patent: D291581 (1987-08-01), Adams
patent: D308622 (1990-06-01), Fushiya et al.
patent: D310160 (1990-08-01), Patel
patent: D310470 (1990-09-01), Tohdoh
patent: D320727 (1991-10-01), Fushiya et al.
patent: D333077 (1993-02-01), Mikiya
patent: D336729 (1993-06-01), Kishi
patent: 3049803 (1962-08-01), Danger
patent: 3832776 (1974-09-01), Sawyer
patent: 3935909 (1976-02-01), Mabuchi et al.
patent: 4644952 (1987-02-01), Patipa et al.
patent: 5042592 (1991-08-01), Fisher
patent: 5165488 (1992-11-01), Liu
patent: 5275607 (1994-01-01), Lo et al.
Harbor Freight Industrial Commerical Division "Tools For The Professional" catalog (Summer, 1996) admitted prior art.

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