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| Patents for Richard H. Cole | |||||
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| Number | Date | Patentee | Title | Type | |
| 17,556 | Jun. 16, 1857 | R.H. Cole | Machine for making ax-polls | tool making machines | |
| 19,752 | Mar. 30, 1858 | R.H. Cole | Screw Cutting Machine | screw machines | |