US Patent: 661,078
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| Vapor Engine
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Patentee:
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| Joseph B. Roger (exact or similar names) - Batavia, Kane County, IL |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
May 01, 1899 |
| Granted: |
Nov. 06, 1900 |
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Joel Havens
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Description: |
| Claim:
The combination of the governor with the intake and exhaust valves, and the two-part lever, the governor controlling said lever and preventing it from opening the exhaust-valve and also acting to hold the intake-valve closed |
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