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| Patents Granted on 1855-11-20 | |||||
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| Number | Date | Patentee | Title | Type | |
| NS-22 | Nov. 20, 1855 | C. Chatfield | Improvements in manufacture of piano-fortes. 20th Nov. 1855 | music instrument maker | |
| 13,833 | Nov. 20, 1855 | L. Young | Revolving Measuring-Wheel | wheel-based measurers | |
| 13,834 | Nov. 20, 1855 | H. Carsley | Nutmeg-grater | household | |