US Patent: 1,978,346
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Delayed Trip for Hydraulic Circuits
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Patentees:
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Hans Ernst (exact or similar names) - Cincinnati, Hamilton County, OH |
Charles W. Goodrich (exact or similar names) - Cincinnati, Hamilton County, OH |
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Patent Dates:
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Applied: |
Sep. 15, 1930 |
Granted: |
Oct. 23, 1934 |
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Joel Havens "Vintage Machinery" entry for Cincinnati Milling Machine Co.
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Description: |
This patent number was seen on a Cincinnati Milling Machine Co. patent plate 4FV-101. |
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