US Patent: RE21,544
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| Hydraulic Mechanism for Determining the Path of Movement of a Tool or Other Element
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Patentee:
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| Clement C. Richard (exact or similar names) - Bloomfield Hills, Wayne County, MI |
| Assignees: |
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Clement C. Richard - Bloomfield Hills, Wayne County, MI |
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Otis K. Richard, deceased (Estate of) - Detroit, Wayne County, MI |
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Clifford H. Kain - Detroit, Wayne County, MI |
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Detroit Trust Co., Executor of Otis K. Richard - Detroit, Wayne County, MI |
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Patent Dates:
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| Applied: |
Jul. 29, 1939 |
| Granted: |
Aug. 27, 1940 |
| Reissue Information: |
| Reissue of 2,016,931 (Oct. 08, 1935) |
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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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