US Patent: 1,261,126
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| Dynamo-electric machine
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Patentee:
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| Rudolf E. Hellmund (exact or similar names) - Pittsburgh, PA |
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Patent Dates:
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| Applied: |
Apr. 01, 1915 |
| Granted: |
Apr. 02, 1918 |
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Jeff Joslin
Vintage Machinery entry for Westinghouse Electric & Mfg. Co.
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Description: |
| "My invention is particularly applicable to machines designed for railway service where it is essential to obtain effective ventilation without increasing the length of the machines." |
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