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| Patents Granted on 1805-05-07 | |||||
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| Number | Date | Patentee | Title | Type | |
| 612X | May 07, 1805 | J. Kunitz | Bleeding with and breeding leaches | ||
| GB-180,502,844 | May 07, 1805 | M.I. Brunel | Saws and machinery for sawing timber | circular sawmills | |