Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769475 | Investment casting | Daniel James Duffey | 2004-08-03 |
| 6755237 | Investment casting | Daniel James Duffey | 2004-06-29 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6769475 | Investment casting | Daniel James Duffey | 2004-08-03 |
| 6755237 | Investment casting | Daniel James Duffey | 2004-06-29 |