Machines not elsewhere specified – Heat treatment – welding or brazing
Design Patent
2001-05-14
2002-12-17
Davis, Antoine Duval (Department: 2913)
Machines not elsewhere specified
Heat treatment, welding or brazing
Design Patent
active
D0467257
CLAIM:
The ornamental design for a welding apparatus, as shown and described.
REFERENCES:
patent: D357927 (1995-05-01), Soderholm
patent: D416030 (1999-11-01), Weller et al.
patent: 6225596 (2001-05-01), Chandler et al.
Andersson Malin
Gerdin Lars
Davis Antoine Duval
Esab AB
Nils H. Ljungman & Associates
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