US Patent: 735
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| Churn
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Patentee:
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| Rufus Porter (exact or similar names) - Billerica, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
May 10, 1838 |
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Jeff Joslin
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Description: |
| Inventor Rufus Porter received numerous patents over his lifetime. He patented everything from clocks to boats to a cheese press. He also manufactured a "patent pending" inclinometer, though no such patent was ever issued. And he founded Scientific American and had a business that helped inventors obtain patents. |
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