US Patent: 554
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Motor
Mode of Constructing and Operating Churns, &c.
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Patentee:
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| Stephen P. W. Douglass (exact or similar names) - Lansingburgh, Rensselaer County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Jan. 09, 1838 |
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Joel Havens
Wikipedia entry for Butter Churn
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Description: |
| Listed in "A Digest of Patents, Issued by the United States, from 1790 to January 1, 1839", published in 1840, pg. 8.
Listed in "A List of Patents Issued by the United States, from 1790 to 1847", published in 1847, pg. 7. |
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