Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5354756 | Olefin-substituted long chain xanthine compounds | David Porubek, J. Peter Klein | 1994-10-11 |
| 5340813 | Substituted aminoalkyl xanthine compounds | J. Peter Klein, Alistair J. Leigh | 1994-08-23 |