Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4209188 | Microcapsules, method of making same, and carbonless copying system including said microcapsules | Hung-Ya Chao | 1980-06-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4209188 | Microcapsules, method of making same, and carbonless copying system including said microcapsules | Hung-Ya Chao | 1980-06-24 |