Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11647113 | System and method for limiting incoming spam calls | Brian F. G. Bidulock, Marvin J. Severson | 2023-05-09 |
| 11184480 | System and method for limiting incoming spam calls | Brian F. G. Bidulock, Marvin J. Severson | 2021-11-23 |
| 10523815 | System and method for limiting incoming spam calls | Brian F. G. Bidulock, Marvin J. Severson | 2019-12-31 |