Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300679 | Substituted propane-phosphinic acid compounds | Eric K. Baylis, Helmut Bittiger, Wolfgang Frostl, Roger Graham Hall, Stuart J. Mickel +1 more | 1994-04-05 |
| 5281747 | Substituted aminoalkylphosphinic acids | Roger Graham Hall, Wolfgang Frostl | 1994-01-25 |