Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651958 | Valve seat having a frusto-conical shape | Alan David James | 2003-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6651958 | Valve seat having a frusto-conical shape | Alan David James | 2003-11-25 |