US Patent: 2,521,312
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| Indicating and Adjusting Mechanism for Machine Tools
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Patentees:
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| Harold J. Siekmann (exact or similar names) - Cincinnati, OH |
| Ross M. Bacon (exact or similar names) - Cincinnati, OH |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 18, 1945 |
| Granted: |
Sep. 05, 1950 |
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Joel Havens
"Vintage Machinery" entry for R. K. Leblond Machine Tool Co.
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Description: |
| Orginal application 18 Jan, 1945, now patent #2,464,619. Divided and this application 08 Dec 1948. |
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