US Patent: 624,750
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| Gas Engine
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Patentees:
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| William H. Butterworth (exact or similar names) - Trenton, Mercer County, NJ |
| John Butterworth (exact or similar names) - Trenton, Mercer County, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Jan. 12, 1899 |
| Granted: |
May 09, 1899 |
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Joel Havens
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Description: |
| Claim:
This invention relates to gas-engines and other similar engines; and it consists in the novel construction and combination of the parts hereinafter fully described and claimed. |
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