US Patent: 2,072,563
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Automatic Multiple Broaching Machine
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Patentees:
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John E. Lynch (exact or similar names) - Cincinnati, Hamilton County, OH |
Howard L. Pope (exact or similar names) - Cincinnati, Hamilton County, OH |
Amos H. Hawley (exact or similar names) - Cincinnati, Hamilton County, OH |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Nov. 15, 1935 |
Granted: |
Mar. 02, 1937 |
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Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.
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