Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11833654 | Multi-tool system | Michael W. Pfeiffer, Anthony C. Bacon, Jack W. Hinkens | 2023-12-05 |
| 11623329 | Multi-tool | Daniel D. Dittmer, Jack W. Hinkens, Michael W. Pfeiffer | 2023-04-11 |
| 11554475 | Multi-tool | Anthony C. Bacon, Michael W. Pfeiffer | 2023-01-17 |
| D940526 | Bit driver tool with bit pockets | Michael W. Pfeiffer, Jack W. Hinkens | 2022-01-11 |
| D935295 | Chain break tool | Anthony C. Bacon, Michael W. Pfeiffer | 2021-11-09 |
| D919485 | Bar end cap | Michael W. Pfeiffer, Anthony C. Bacon | 2021-05-18 |
| D886564 | Multi-tool | Daniel D. Dittmer, Jack W. Hinkens, Michael W. Pfeiffer | 2020-06-09 |