Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4788146 | Liquid loaded pad for medical applications | David F. Ring, Thurman Dow | 1988-11-29 |
| 4655758 | Microbial polysaccharide articles and methods of production | David F. Ring, Thurman Dow | 1987-04-07 |
| 4588400 | Liquid loaded pad for medical applications | David F. Ring, Thurman Dow | 1986-05-13 |
| 4329366 | Topical acylaminophenols | David T. Rovee, Robert J. Gander | 1982-05-11 |