Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5158844 | Battery separator | Vicky L. Hagens, Vaughan Annis | 1992-10-27 |
| D293606 | Sanitary napkin | — | 1988-01-05 |
| 4368323 | Substantive wetting agents for absorbent materials | — | 1983-01-11 |