Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385847 | Seat faced engine valves and method of making seat faced engine valves | Jay M. Larson, James R. Spencer, Xin Nie | 2002-05-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385847 | Seat faced engine valves and method of making seat faced engine valves | Jay M. Larson, James R. Spencer, Xin Nie | 2002-05-14 |