Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9883946 | Composite prosthetic surfaces | John M. Pinneo, Roy McDonald | 2018-02-06 |
| 4735927 | Catalyst for the reduction of oxides of nitrogen | William H. Gerdes, Thomas Szymanski | 1988-04-05 |
| 4735930 | Catalyst for the reduction of oxides of nitrogen | William H. Gerdes, Thomas Szymanski | 1988-04-05 |