Machines not elsewhere specified – Heat treatment – welding or brazing
Design Patent
2002-08-02
2003-06-10
Davis, Antoine Duval (Department: 2913)
Machines not elsewhere specified
Heat treatment, welding or brazing
Design Patent
active
D0475726
CLAIM:
The ornamental design for an engine-driven welding machine, as shown and described.
REFERENCES:
patent: 3621177 (1971-11-01), Neil
patent: D243669 (1977-03-01), Webster
patent: D275292 (1984-08-01), Bouman
patent: D275293 (1984-08-01), Bouman
patent: D277192 (1985-01-01), Nowak
patent: D280329 (1985-08-01), Bouman
patent: 6479795 (2002-11-01), Albrecht
Fujimoto Shoichi
Katsuki Kenji
Sato Sanpei
Suga Koji
Tanaka Toshiaki
Davis Antoine Duval
Denyo Co. Ltd.
Merchant & Gould P.C.
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