Machines not elsewhere specified – Heat treatment – welding or brazing – Solid material melting – e.g. – solder – etc.
Patent
1992-04-09
1994-04-26
Douglas, Alan P.
Machines not elsewhere specified
Heat treatment, welding or brazing
Solid material melting, e.g., solder, etc.
D 8 30
Patent
active
D03463907
REFERENCES:
patent: D207977 (1967-06-01), Kensrue
patent: D214056 (1969-05-01), Trapainer
patent: D279543 (1985-07-01), Pashkov et al.
patent: D334517 (1993-04-01), Ingwersen et al.
patent: 4727238 (1988-02-01), Mann
patent: 4918286 (1990-04-01), Boyer
patent: 5132513 (1992-07-01), Ingwersen et al.
Outside cover, pp. 26, 80, and 96, and inside back cover from a Binzel MIG Equipment catalog published at least one year prior to filing this application.
Bode Axel
Sperling Hermann
Alexander Binzel GmbH & Co. KG
Davis Antoine D.
Douglas Alan P.
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