US Patent: 3,172X
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| Water proof cement
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Patentee:
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| Canvas White (exact or similar names) - Whitestown, Oneida County, NY |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Feb. 01, 1820 |
USPTO (New site tip)
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Jeff Joslin
X-Patents
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Description: |
| 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 specification or drawings available. |
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