Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D739372 | Captioning communication device | James Joseph Hartmann, Everett Wayne Mathis | 2015-09-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D739372 | Captioning communication device | James Joseph Hartmann, Everett Wayne Mathis | 2015-09-22 |