Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11861580 | System for processing a transaction by a user at a transaction point | David B. Johnson | 2024-01-02 |
| 10600128 | Mobile expense report system | David B. Johnson | 2020-03-24 |
| 8128542 | Exercise grip device | James Hartman | 2012-03-06 |
| 5971021 | Method and valve for filling fluid system | — | 1999-10-26 |