| Patent Issue Date Details |
| This table shows patent issue date data. |
| Grant Date shotgun | Last Utility
patent number | Utility Count |
Datamp Count | Withdrawn count | | 1880-01-06 | 223,428 | 218 | 5 | 1 |
| 1880-01-13 | 223,626 | 198 | 5 | 0 |
| 1880-01-20 | 223,795 | 169 | 3 | 1 |
| 1880-01-27 | 223,972 | 177 | 7 | 0 |
| 1880-02-03 | 224,263 | 291 | 11 | 1 |
| 1880-02-10 | 224,520 | 257 | 11 | 1 |
| 1880-02-17 | 224,760 | 240 | 10 | 0 |
| 1880-02-24 | 224,980 | 220 | 11 | 0 |
| 1880-03-02 | 225,202 | 222 | 7 | 0 |
| 1880-03-09 | 225,454 | 252 | 7 | 0 |
| 1880-03-16 | 225,679 | 225 | 9 | 0 |
| 1880-03-23 | 225,908 | 229 | 11 | 0 |
| 1880-03-30 | 226,147 | 239 | 10 | 1 |
| 1880-04-06 | 226,380 | 233 | 9 | 1 |
| 1880-04-13 | 226,582 | 202 | 12 | 0 |
| 1880-04-20 | 226,820 | 238 | 12 | 1 |
| 1880-04-27 | 227,089 | 269 | 13 | 0 |
| 1880-05-04 | 227,341 | 252 | 12 | 2 |
| 1880-05-11 | 227,605 | 264 | 15 | 1 |
| 1880-05-18 | 227,872 | 267 | 12 | 0 |
| 1880-05-25 | 228,160 | 288 | 10 | 3 |
| 1880-06-01 | 228,432 | 272 | 12 | 1 |
| 1880-06-08 | 228,719 | 287 | 15 | 2 |
| 1880-06-15 | 228,970 | 251 | 15 | 0 |
| 1880-06-22 | 229,226 | 256 | 10 | 0 |
| 1880-06-29 | 229,512 | 286 | 10 | 0 |
| 1880-07-06 | 229,792 | 280 | 9 | 0 |
| 1880-07-13 | 230,102 | 310 | 19 | 0 |
| 1880-07-20 | 230,386 | 284 | 13 | 1 |
| 1880-07-27 | 230,598 | 212 | 11 | 1 |
| 1880-08-03 | 230,848 | 250 | 14 | 0 |
| 1880-08-10 | 231,138 | 290 | 7 | 2 |
| 1880-08-17 | 231,387 | 249 | 15 | 1 |
| 1880-08-24 | 231,639 | 252 | 12 | 1 |
| 1880-08-31 | 231,882 | 243 | 4 | 0 |
| 1880-09-07 | 232,101 | 219 | 4 | 1 |
| 1880-09-14 | 232,321 | 220 | 7 | 0 |
| 1880-09-21 | 232,587 | 266 | 10 | 0 |
| 1880-09-28 | 232,797 | 210 | 3 | 0 |
| 1880-10-05 | 233,060 | 263 | 16 | 0 |
| 1880-10-12 | 233,313 | 253 | 9 | 1 |
| 1880-10-19 | 233,589 | 276 | 12 | 1 |
| 1880-10-26 | 233,828 | 239 | 16 | 0 |
| 1880-11-02 | 234,111 | 283 | 10 | 0 |
| 1880-11-09 | 234,379 | 268 | 6 | 0 |
| 1880-11-16 | 234,643 | 264 | 10 | 1 |
| 1880-11-23 | 234,840 | 197 | 9 | 1 |
| 1880-11-30 | 235,059 | 219 | 8 | 0 |
| 1880-12-07 | 235,329 | 270 | 11 | 1 |
| 1880-12-14 | 235,611 | 282 | 13 | 0 |
| 1880-12-21 | 235,843 | 232 | 7 | 0 |
| 1880-12-28 | 236,136 | 293 | 10 | 1 |
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