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Patents Granted on 1812-06-05 | |||||
Number | Date | Patentee | Title | Type | |
1,747X | Jun. 05, 1812 | W. Shaw | Propelling boats, working mills, etc. | nautical propulsion apparatus | |
1,748X | Jun. 05, 1812 | B. Kugler, N.S. Allison | Mode of preparing vegetable acids |