| Grant Date shotgun | Last Utility
patent number | Utility Count |
Datamp Count | Withdrawn count | | 1843-01-10 | 2,908 | 8 | 2 | 0 |
| 1843-01-16 | 2,915 | 7 | 0 | 0 |
| 1843-01-20 | 2,926 | 11 | 0 | 0 |
| 1843-01-27 | 2,937 | 11 | 1 | 0 |
| 1843-02-04 | 2,945 | 8 | 3 | 0 |
| 1843-02-10 | 2,951 | 6 | 1 | 0 |
| 1843-02-16 | 2,959 | 8 | 0 | 0 |
| 1843-02-20 | 2,969 | 10 | 4 | 0 |
| 1843-02-24 | 2,979 | 10 | 0 | 0 |
| 1843-03-04 | 2,992 | 13 | 1 | 0 |
| 1843-03-10 | 3,002 | 10 | 1 | 0 |
| 1843-03-17 | 3,006 | 4 | 0 | 0 |
| 1843-03-21 | 3,018 | 12 | 2 | 0 |
| 1843-03-30 | 3,025 | 7 | 0 | 0 |
| 1843-04-06 | 3,035 | 10 | 0 | 0 |
| 1843-04-10 | 3,045 | 10 | 2 | 0 |
| 1843-04-15 | 3,053 | 8 | 2 | 0 |
| 1843-04-25 | 3,063 | 10 | 1 | 0 |
| 1843-05-02 | 3,072 | 9 | 0 | 0 |
| 1843-05-08 | 3,080 | 8 | 0 | 0 |
| 1843-05-12 | 3,086 | 6 | 0 | 0 |
| 1843-05-19 | 3,098 | 12 | 2 | 0 |
| 1843-05-26 | 3,112 | 14 | 2 | 0 |
| 1843-06-01 | 3,124 | 12 | 1 | 0 |
| 1843-06-03 | 3,123 | -1 | 1 | 1 |
| 1843-06-09 | 3,129 | 6 | 0 | 0 |
| 1843-06-14 | 3,138 | 9 | 0 | 0 |
| 1843-06-24 | 3,152 | 14 | 1 | 0 |
| 1843-07-03 | 3,154 | 2 | 0 | 0 |
| 1843-07-08 | 3,167 | 13 | 1 | 0 |
| 1843-07-12 | 3,175 | 8 | 0 | 0 |
| 1843-07-15 | 3,178 | 3 | 0 | 0 |
| 1843-07-20 | 3,190 | 12 | 3 | 0 |
| 1843-07-22 | 3,194 | 4 | 0 | 0 |
| 1843-07-26 | 3,198 | 4 | 0 | 0 |
| 1843-07-28 | 3,204 | 6 | 0 | 0 |
| 1843-08-04 | 3,211 | 7 | 1 | 0 |
| 1843-08-11 | 3,218 | 7 | 1 | 0 |
| 1843-08-17 | 3,227 | 9 | 2 | 0 |
| 1843-08-26 | 3,237 | 10 | 0 | 0 |
| 1843-09-01 | 3,252 | 15 | 1 | 0 |
| 1843-09-09 | 3,258 | 6 | 1 | 0 |
| 1843-09-14 | 3,271 | 13 | 0 | 0 |
| 1843-09-23 | 3,283 | 12 | 0 | 0 |
| 1843-09-28 | 3,289 | 6 | 1 | 0 |
| 1843-10-06 | 3,297 | 8 | 0 | 0 |
| 1843-10-09 | 3,296 | -1 | 0 | 0 |
| 1843-10-12 | 3,305 | 9 | 3 | 0 |
| 1843-10-18 | 3,309 | 4 | 0 | 0 |
| 1843-10-20 | 3,312 | 3 | 1 | 0 |
| 1843-10-25 | 3,317 | 5 | 1 | 0 |
| 1843-11-06 | 3,332 | 15 | 1 | 0 |
| 1843-11-15 | 3,341 | 9 | 1 | 0 |
| 1843-11-21 | 3,349 | 8 | 1 | 0 |
| 1843-11-24 | 3,358 | 9 | 1 | 0 |
| 1843-12-04 | 3,366 | 8 | 1 | 0 |
| 1843-12-05 | 3,373 | 7 | 0 | 0 |
| 1843-12-15 | 3,381 | 8 | 2 | 0 |
| 1843-12-20 | 3,388 | 7 | 3 | 0 |
| 1843-12-27 | 3,393 | 5 | 0 | 0 |
| 1843-12-30 | 3,394 | 1 | 0 | 0 |
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