Issued Patents All Time
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4197228 | Impregnating composition | Kingso C. Lin | 1980-04-08 |
Showing 51–51 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4197228 | Impregnating composition | Kingso C. Lin | 1980-04-08 |