US Patent: 2,138,027
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| Internal combustion engine
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Patentees:
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| Clifford W. Rogers (exact or similar names) - Detroit, MI |
| John L. Doll (exact or similar names) - Detroit, MI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jul. 06, 1937 |
| Granted: |
Nov. 29, 1938 |
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Jeff Joslin
Vintage Machinery entry for Syncro Devices, Inc.
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Description: |
| Of interest because the assignee also made a small scrollsaw.The engine is a two-cycle miniature engine intended for model airplanes. |
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