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| Patents for Abel Brewster | |||||
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| Number | Date | Patentee | Title | Type | |
| 902X | Jul. 11, 1808 | A. Brewster | Universal vitriolic test for making all kind of bank or other bills | ||
| 1,968X | Jul. 15, 1813 | A. Brewster | Die work as a substitute for etching | ||
| 2,637X | Jul. 15, 1816 | A. Brewster | Usse of types in guarding banks notes against forgery | ||
| 3,178X | Mar. 06, 1820 | A. Brewster | Improvement in ship building | ||