| Grant Date shotgun | Last Utility
patent number | Utility Count |
Datamp Count | Withdrawn count | | 1844-01-06 | 3,403 | 9 | 1 | 0 |
| 1844-01-15 | 3,406 | 3 | 1 | 0 |
| 1844-01-20 | 3,413 | 7 | 3 | 0 |
| 1844-01-26 | 3,415 | 2 | 0 | 0 |
| 1844-01-31 | 3,421 | 6 | 1 | 0 |
| 1844-02-02 | 3,425 | 4 | 0 | 0 |
| 1844-02-07 | 3,427 | 2 | 2 | 0 |
| 1844-02-12 | 3,439 | 12 | 0 | 0 |
| 1844-02-20 | 3,450 | 11 | 0 | 0 |
| 1844-02-28 | 3,460 | 10 | 0 | 0 |
| 1844-03-09 | 3,475 | 15 | 0 | 0 |
| 1844-03-13 | 3,487 | 12 | 0 | 0 |
| 1844-03-20 | 3,503 | 16 | 3 | 0 |
| 1844-03-26 | 3,513 | 10 | 1 | 0 |
| 1844-03-28 | 3,517 | 4 | 0 | 0 |
| 1844-04-04 | 3,526 | 9 | 0 | 0 |
| 1844-04-10 | 3,534 | 8 | 0 | 0 |
| 1844-04-13 | 3,540 | 6 | 0 | 0 |
| 1844-04-17 | 3,551 | 11 | 2 | 0 |
| 1844-04-20 | 3,557 | 6 | 0 | 0 |
| 1844-04-25 | 3,567 | 10 | 0 | 0 |
| 1844-05-06 | 3,577 | 10 | 1 | 0 |
| 1844-05-10 | 3,584 | 7 | 0 | 0 |
| 1844-05-17 | 3,593 | 9 | 1 | 0 |
| 1844-05-25 | 3,602 | 9 | 3 | 0 |
| 1844-05-30 | 3,609 | 7 | 3 | 0 |
| 1844-06-05 | 3,620 | 11 | 2 | 0 |
| 1844-06-10 | 3,626 | 6 | 0 | 0 |
| 1844-06-13 | 3,630 | 4 | 1 | 0 |
| 1844-06-15 | 3,634 | 4 | 1 | 0 |
| 1844-06-24 | 3,643 | 9 | 0 | 0 |
| 1844-07-01 | 3,650 | 7 | 2 | 0 |
| 1844-07-09 | 3,655 | 5 | 0 | 0 |
| 1844-07-11 | 3,659 | 4 | 0 | 0 |
| 1844-07-13 | 3,665 | 6 | 0 | 0 |
| 1844-07-15 | 3,667 | 2 | 1 | 0 |
| 1844-07-16 | 3,669 | 2 | 1 | 0 |
| 1844-07-18 | 3,670 | 1 | 1 | 0 |
| 1844-07-19 | 3,671 | 1 | 0 | 0 |
| 1844-07-22 | 3,675 | 4 | 0 | 0 |
| 1844-07-24 | 3,680 | 5 | 2 | 0 |
| 1844-07-26 | 3,682 | 2 | 0 | 0 |
| 1844-07-30 | 3,687 | 5 | 2 | 0 |
| 1844-08-01 | 3,689 | 2 | 0 | 0 |
| 1844-08-07 | 3,696 | 7 | 1 | 0 |
| 1844-08-10 | 3,700 | 4 | 0 | 0 |
| 1844-08-12 | 3,703 | 3 | 1 | 0 |
| 1844-08-14 | 3,705 | 2 | 1 | 0 |
| 1844-08-16 | 3,709 | 4 | 0 | 0 |
| 1844-08-21 | 3,714 | 5 | 1 | 0 |
| 1844-08-23 | 3,717 | 3 | 2 | 0 |
| 1844-08-24 | 3,718 | 1 | 0 | 0 |
| 1844-08-28 | 3,721 | 3 | 1 | 0 |
| 1844-08-31 | 3,725 | 4 | 0 | 0 |
| 1844-09-03 | 3,728 | 3 | 2 | 0 |
| 1844-09-11 | 3,736 | 8 | 0 | 0 |
| 1844-09-14 | 3,743 | 7 | 1 | 0 |
| 1844-09-17 | 3,749 | 6 | 0 | 0 |
| 1844-09-20 | 3,755 | 6 | 0 | 0 |
| 1844-09-24 | 3,761 | 6 | 0 | 0 |
| 1844-09-27 | 3,769 | 8 | 0 | 0 |
| 1844-10-03 | 3,776 | 7 | 1 | 0 |
| 1844-10-07 | 3,781 | 5 | 0 | 0 |
| 1844-10-09 | 3,787 | 6 | 2 | 0 |
| 1844-10-12 | 3,795 | 8 | 0 | 0 |
| 1844-10-16 | 3,800 | 5 | 0 | 0 |
| 1844-10-19 | 3,802 | 2 | 0 | 0 |
| 1844-10-22 | 3,803 | 1 | 1 | 0 |
| 1844-10-24 | 3,805 | 2 | 1 | 0 |
| 1844-10-30 | 3,809 | 4 | 1 | 0 |
| 1844-11-06 | 3,812 | 3 | 0 | 0 |
| 1844-11-09 | 3,820 | 8 | 1 | 0 |
| 1844-11-13 | 3,827 | 7 | 0 | 0 |
| 1844-11-18 | 3,834 | 7 | 0 | 0 |
| 1844-11-26 | 3,840 | 6 | 2 | 0 |
| 1844-12-04 | 3,847 | 7 | 1 | 0 |
| 1844-12-07 | 3,852 | 5 | 1 | 0 |
| 1844-12-12 | 3,855 | 3 | 0 | 0 |
| 1844-12-16 | 3,860 | 5 | 1 | 0 |
| 1844-12-19 | 3,865 | 5 | 2 | 0 |
| 1844-12-31 | 3,872 | 7 | 1 | 0 |
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