Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5529838 | Wool filter for dust-proof mask comprising a nonwoven fabric of random wool fibers and slit film fibers | — | 1996-06-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5529838 | Wool filter for dust-proof mask comprising a nonwoven fabric of random wool fibers and slit film fibers | — | 1996-06-25 |