Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10421116 | Method of casting valve seat inserts and casting apparatus | Cong Yue Qiao, David Doll, Donald K Morris | 2019-09-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10421116 | Method of casting valve seat inserts and casting apparatus | Cong Yue Qiao, David Doll, Donald K Morris | 2019-09-24 |