US Patent: 9,205X
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Plough
Plough coulters and shares
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Patentee:
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| Samuel A. Sperry (exact or similar names) - Ann Arborville, Washtenaw County, Michigan Territory |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 27, 1835 |
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Joel Havens
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Description: |
| Listed in List of Patents for Inventions and Designs, 1847, pgs. 20 & 563.
Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. There are no patent drawings available. This patent is in the database for reference only. |
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