US Patent: 2,166,940
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| Hydraulic Power System
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Patentee:
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| Conrad M. Conradson (exact or similar names) - Detroit, Wayne County, MI |
| USPTO Classifications: |
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137/338, 137/341, 137/505, 137/505.38, 137/625.17, 137/636.4, 165/279, 236/12.17, 60/329, 82/900, 91/450, 91/470
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| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 12, 1930 |
| Granted: |
Jul. 25, 1939 |
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Joel Havens
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Description: |
| Application renewed 29 Sept 1938. |
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