US Patent: 364,411
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Steering Device for Traction Engines
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Patentees:
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Lon Peck Helphinstine (exact or similar names) - Washington, Davies County, IN |
William Aikman Helphinstine (exact or similar names) - Washington, Davies County, IN |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Apr. 05, 1887 |
Granted: |
Jun. 07, 1887 |
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Joel Havens
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