US Patent: 2,074,296
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| Apparatus for Making Composite Metals
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Patentee:
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| Henry B. Allen (exact or similar names) - Philadelphia, PA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jun. 14, 1935 |
| Granted: |
Mar. 16, 1937 |
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Russ Allen.
"Vintage Machinery" entry for Henry Disston & Sons
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Description: |
| Mechanism designed to allow two or more metals of a high melting point and of different compositions or physical properties, particularly steels to be welded together. |
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