Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738060 | Poppet valve and method of making the poppet valve | William Neumann | 1998-04-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5738060 | Poppet valve and method of making the poppet valve | William Neumann | 1998-04-14 |