US Patent: 1,575,558
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Centreless Grinding Machine
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Patentees:
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Sol Einstein (exact or similar names) - Cincinnati, Hamilton County, OH |
Lester F. Nenninger (exact or similar names) - Cincinnati, Hamilton County, OH |
Walter D. Archea (exact or similar names) - Norwood, Hamilton County, OH |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jan. 18, 1924 |
Granted: |
Mar. 02, 1926 |
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Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.
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