Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403712 | Process for the manufacture of spandex and the spandex made thereby | Shingo Ito, Masao Umezawa | 2002-06-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6403712 | Process for the manufacture of spandex and the spandex made thereby | Shingo Ito, Masao Umezawa | 2002-06-11 |