Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653386 | Preventing discoloration in an elastomer rubber | Hans-Joachim Graf, Yuding Feng, Graham Choonoo | 2003-11-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653386 | Preventing discoloration in an elastomer rubber | Hans-Joachim Graf, Yuding Feng, Graham Choonoo | 2003-11-25 |