US Patent: 460,375
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Traction Engine
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Patentees:
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Charles Higgins (exact or similar names) - Clay City, Clay County, IL |
John Gregory (exact or similar names) - Clay City, Clay County, IL |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
May 25, 1891 |
Granted: |
Sep. 29, 1891 |
USPTO (New site tip) Google Patents
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Joel Havens
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