Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5060984 | Short radius, low wear elbow | — | 1991-10-29 |
| 4586184 | Acoustically controlled frequency shifted cavity for electromagnetic radiation | — | 1986-04-29 |
| 4387914 | Short radius, low wear elbow | Jerome I. Paulson | 1983-06-14 |