Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596395 | Dual material lip-type seal | — | 1986-06-24 |
| 4468042 | Anti-extrusion sealing device with interlocked retainer portions | Aaron J. Pippert | 1984-08-28 |
| 4428590 | Anti-extrusion sealing device with hinge-like bridge section | Aaron J. Pippert | 1984-01-31 |