Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7744688 | Paper coating pigments | David Robert Skuse, Deb Thrale, Rajan R. Iyer, Daniel J. Panfil, Christopher Nutbeem | 2010-06-29 |
| 6620856 | Production of concentrated carbonate suspensions | John Anthony Purdey, Deborah Thrale, David Robert Skuse | 2003-09-16 |