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| Patent RE11 | |||||
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| Number | Date | Patentee | Title | Type | |
| XC-11 | Jun. 26, 1830 | P. Schoolcraft | New and improved spinning machine | spinner | |
| RE-11 | Aug. 31, 1839 | D. Williams | Improvement in the Art of Tailoring | rules | |
| NS-11 | Mar. 21, 1850 | J.W. Ross | For the manufacture or composition of artificial slate | ||
| NF-11 | Jul. 26, 1856 | R.G. Frazer | New method for preventing the soakage and leakage or coloring of oils in casks or other wooden vessels | ||
| CS-11 | Aug. 15, 1861 | A. Preot | Lance or Pike, Attaching to Guns | lances and pikes | |