Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827912 | Multi-chamber porting device | Jack L. Harms | 1989-05-09 |
| 4508341 | Pass-blocking sled | — | 1985-04-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4827912 | Multi-chamber porting device | Jack L. Harms | 1989-05-09 |
| 4508341 | Pass-blocking sled | — | 1985-04-02 |