Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4989787 | Liquid spray gun accessories | Robert E. Nikkel, Paul Guidi | 1991-02-05 |
| 4550936 | Marine riser coupling assembly | John A. Haeber, Brad D. Beitler, George S. Kukuchek | 1985-11-05 |
| 4324422 | Low torque pack-off seal assembly with retrievable lower section | Larry E. Reimert | 1982-04-13 |