| Grant Date shotgun | Last Utility
patent number | Utility Count |
Datamp Count | Withdrawn count | | 1845-01-04 | 3,876 | 4 | 0 | 0 |
| 1845-01-10 | 3,882 | 6 | 2 | 0 |
| 1845-01-16 | 3,889 | 7 | 1 | 0 |
| 1845-01-23 | 3,893 | 4 | 2 | 0 |
| 1845-01-31 | 3,900 | 7 | 2 | 0 |
| 1845-02-12 | 3,914 | 14 | 1 | 1 |
| 1845-02-20 | 3,920 | 6 | 0 | 0 |
| 1845-02-24 | 3,929 | 9 | 1 | 0 |
| 1845-02-28 | 3,936 | 7 | 1 | 0 |
| 1845-03-12 | 3,949 | 13 | 2 | 0 |
| 1845-03-15 | 3,957 | 8 | 0 | 0 |
| 1845-03-21 | 3,964 | 7 | 2 | 0 |
| 1845-03-26 | 3,976 | 12 | 0 | 0 |
| 1845-04-01 | 3,986 | 10 | 3 | 0 |
| 1845-04-10 | 3,994 | 8 | 0 | 0 |
| 1845-04-16 | 4,004 | 10 | 1 | 0 |
| 1845-04-22 | 4,010 | 6 | 1 | 0 |
| 1845-04-26 | 4,016 | 6 | 1 | 0 |
| 1845-05-01 | 4,031 | 15 | 5 | 0 |
| 1845-05-07 | 4,037 | 6 | 0 | 0 |
| 1845-05-10 | 4,043 | 6 | 1 | 0 |
| 1845-05-13 | 4,055 | 12 | 1 | 0 |
| 1845-05-21 | 4,058 | 3 | 1 | 0 |
| 1845-05-24 | 4,061 | 3 | 0 | 0 |
| 1845-05-29 | 4,064 | 3 | 0 | 0 |
| 1845-06-02 | 4,068 | 4 | 0 | 0 |
| 1845-06-07 | 4,074 | 6 | 0 | 0 |
| 1845-06-10 | 4,079 | 5 | 0 | 0 |
| 1845-06-14 | 4,081 | 2 | 1 | 0 |
| 1845-06-20 | 4,088 | 7 | 1 | 0 |
| 1845-06-25 | 4,094 | 6 | 1 | 0 |
| 1845-07-05 | 4,104 | 10 | 0 | 0 |
| 1845-07-10 | 4,110 | 6 | 1 | 0 |
| 1845-07-14 | 4,115 | 5 | 0 | 0 |
| 1845-07-22 | 4,121 | 6 | 1 | 0 |
| 1845-07-26 | 4,125 | 4 | 1 | 0 |
| 1845-08-01 | 4,130 | 5 | 0 | 0 |
| 1845-08-04 | 4,137 | 7 | 0 | 0 |
| 1845-08-09 | 4,145 | 8 | 1 | 0 |
| 1845-08-16 | 4,153 | 8 | 3 | 0 |
| 1845-08-20 | 4,159 | 6 | 1 | 0 |
| 1845-08-26 | 4,168 | 9 | 0 | 0 |
| 1845-09-02 | 4,178 | 10 | 0 | 0 |
| 1845-09-09 | 4,186 | 8 | 0 | 0 |
| 1845-09-11 | 4,190 | 4 | 1 | 0 |
| 1845-09-13 | 4,193 | 3 | 0 | 0 |
| 1845-09-17 | 4,195 | 2 | 2 | 0 |
| 1845-09-19 | 4,202 | 7 | 1 | 0 |
| 1845-09-23 | 4,205 | 3 | 0 | 0 |
| 1845-09-27 | 4,212 | 7 | 2 | 0 |
| 1845-09-30 | 4,217 | 5 | 0 | 0 |
| 1845-10-01 | 4,218 | 1 | 1 | 0 |
| 1845-10-07 | 4,223 | 5 | 0 | 0 |
| 1845-10-09 | 4,228 | 5 | 2 | 0 |
| 1845-10-11 | 4,233 | 5 | 0 | 0 |
| 1845-10-16 | 4,236 | 3 | 1 | 0 |
| 1845-10-25 | 4,244 | 8 | 2 | 0 |
| 1845-10-31 | 4,246 | 2 | 0 | 0 |
| 1845-11-01 | 4,254 | 8 | 1 | 0 |
| 1845-11-08 | 4,265 | 11 | 2 | 0 |
| 1845-11-12 | 4,270 | 5 | 2 | 0 |
| 1845-11-18 | 4,277 | 7 | 0 | 0 |
| 1845-11-21 | 4,283 | 6 | 1 | 0 |
| 1845-11-26 | 4,293 | 10 | 3 | 0 |
| 1845-11-29 | 4,295 | 2 | 0 | 0 |
| 1845-12-06 | 4,300 | 5 | 1 | 0 |
| 1845-12-11 | 4,306 | 6 | 0 | 0 |
| 1845-12-16 | 4,315 | 9 | 0 | 0 |
| 1845-12-20 | 4,323 | 8 | 3 | 1 |
| 1845-12-26 | 4,335 | 12 | 2 | 0 |
| 1845-12-31 | 4,347 | 12 | 0 | 0 |
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