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| Patents Granted on 1843-05-19 | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,090 | May 19, 1843 | S.D. Sizer | Method of attaching bits eccentrically to their arbors, to be used in machinery for stocking guns and other purposes | cutterheads | |
| 3,092 | May 19, 1843 | S. Waterman, I.D. Russell | Machine for sawing off logs | sawmills | |