Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897102 | Method of making valve guide by powder metallurgy process | C. Bruce Blackwell | 2011-03-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897102 | Method of making valve guide by powder metallurgy process | C. Bruce Blackwell | 2011-03-01 |