Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10274287 | System and method for marksmanship training | James L. Northrup, Robert P. Northrup | 2019-04-30 |
| 10234240 | System and method for marksmanship training | James L. Northrup, Robert P. Northrup | 2019-03-19 |
| 10030937 | System and method for marksmanship training | James L. Northrup, Robert P. Northrup | 2018-07-24 |
| 9267762 | System and method for marksmanship training | James L. Northrup, Robert P. Northrup | 2016-02-23 |
| 9261332 | System and method for marksmanship training | James L. Northrup, Robert P. Northrup | 2016-02-16 |