US Patent: 1,156,484
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| System of Motor Control
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Patentee:
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| Samuel H. Keefer, estate of (deceased) (exact or similar names) - Plainfield, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Mar. 17, 1913 |
| Granted: |
Oct. 12, 1915 |
| Reissue Information: |
| Reissued as RE14,540 (Oct. 22, 1918) |
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Joel Havens
"Vintage Machinery" entry for Niles-Bement-Pond Co.
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Description: |
| Dull, Warfield & Dull - patent attorneys
Mae A. Keefer, Administrix, Plainfield, NJ |
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