Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6491206 | Method of making closed cavity pistons | — | 2002-12-10 |
| 6431051 | Closed cavity hydraulic piston and method of making the same | Mark A. Landwehr, Jay H. Ankeny, Allan Richard Schuster | 2002-08-13 |