US Patent: 510,329
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Screw Cutting Machine
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Patentee:
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Joseph Davidsohn (exact or similar names) - Berlin, Prussia, Germany |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jul. 30, 1892 |
Granted: |
Dec. 05, 1893 |
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Joel Havens
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Description: |
Patented in Germany, 22 Jun., 1892, #67,664; in France, 29 Jun., 1892, #222,691 and in England, 16 Jul., 1892, #13,100. |
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