Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12351219 | System and method for virtual approach signal restriction upgrade | Scott D. Sapp, Mitchell Beard | 2025-07-08 |
| 12311988 | System and method for virtual approach signal restriction upgrade | Scott D. Sapp, Mitchell Beard | 2025-05-27 |
| 12252163 | System and method for virtual approach signal restriction upgrade | Scott D. Sapp, Mitchell Beard | 2025-03-18 |
| 12195061 | System and method for virtual approach signal restriction upgrade | Scott D. Sapp, Mitchell Beard | 2025-01-14 |
| 12116028 | System and method for virtual block stick circuits | Jeffrey Ryan Allen, Brent Russell, Kent Robert Shue | 2024-10-15 |
| 11827256 | System and method for virtual approach signal restriction upgrade | Scott D. Sapp, Mitchell Beard | 2023-11-28 |
| 11511779 | System and method for virtual block stick circuits | Jeffrey Ryan Allen, Brent Russell, Kent Robert Shue | 2022-11-29 |