Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10705221 | On-board backup and anti-spoofing GPS system | John W. Glatfelter, Kelly C. Hill | 2020-07-07 |
| 9185083 | Concealing data within encoded audio signals | John W. Glatfelter | 2015-11-10 |
| 8855303 | Cryptography using a symmetric frequency-based encryption algorithm | John W. Glatfelter | 2014-10-07 |