US Patent: 1,990,767
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| Reversing Brush Means for Electric Generators
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Patentees:
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| William B. Whitsitt (exact or similar names) - Baltimore, MD |
| Henry B. Walter (exact or similar names) - Beloit, Rock County, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 17, 1934 |
| Granted: |
Feb. 12, 1935 |
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Joel Havens
"Vintage Machinery" entry for Fairbanks Morse & Co.
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Description: |
| Application filed 12 Dec., 1932. Renewed 17 Dec., 1932. |
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