Welding machine

Details Welding machine Welding machine

2000-10-02

2001-07-31

Davis, Antoine Duval (Department: 2913)

Machines not elsewhere specified

Heat treatment, welding or brazing

Design Patent

active

D0445812

CLAIM:
The ornamental design for a welding machine, as shown and described.

REFERENCES:
patent: D. 212536 (1968-10-01), Diamond
patent: D. 416030 (1999-11-01), Weller
patent: 4628176 (1986-12-01), Kojima et al.
patent: 519738 (1981-01-01), None
patent: 638870 (1984-11-01), None
patent: 847609 (1992-09-01), None

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