Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696199 | Pressure-sensitive adhesive polyacrylate polymer and method of making | Raymond Senkus, Chung I. Young, Ying-Yuh Lu | 1997-12-09 |
| 5617849 | Respirator having thermochromic fit-indicating seal | James E. Springett | 1997-04-08 |