Machines not elsewhere specified – Heat treatment – welding or brazing – Solid material melting – e.g. – solder – etc.
Patent
1976-05-21
1978-06-20
Douglas, Alan P.
Machines not elsewhere specified
Heat treatment, welding or brazing
Solid material melting, e.g., solder, etc.
D1509
Patent
active
D02482355
REFERENCES:
patent: D108575 (1938-02-01), Lindenberger
patent: 3656350 (1972-04-01), Collins
Haughtington Richard E.
Wray Donald R.
Douglas Alan P.
Leuca Walter
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