US Patent: 4,902X
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| Glass formed by a combination of moulds
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Patentees:
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| Phineas C. Dummer (exact or similar names) - Jersey City, Hudson County, NJ |
| G. Dummer (exact or similar names) - Jersey City, Hudson County, NJ |
| James Maxwell (exact or similar names) - Jersey City, Hudson County, NJ |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 16, 1827 |
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Joel Havens
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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 drawings available. This patent is in the database for reference only. |
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