Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7595085 | Ceramic assembly with a stabilizer layer | Haskell Simpkins, Joseph M. Keller, Vincent L. Sprenkle, Kerry D. Meinhardt, Nathan L. Canfield | 2009-09-29 |
| 7582375 | Method for cutting solid oxide fuel cell elements | Paul Daniel, Haskell Simpkins | 2009-09-01 |
| 7253137 | PROX catalyst for oxidizing carbon monoxide | William LaBarge, Joseph M. Keller | 2007-08-07 |
| 7105468 | PROX catalyst for oxidizing carbon monoxide | William LaBarge, Joseph M. Keller | 2006-09-12 |