Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5131923 | Vitrified bonded sol gel sintered aluminous abrasive bodies | Carole J. Markhoff-Matheny, David Rostoker | 1992-07-21 |
| 4997461 | Nitrified bonded sol gel sintered aluminous abrasive bodies | Carole J. Markhoff-Matheny, David Rostoker | 1991-03-05 |
| 4898597 | Frit bonded abrasive wheel | Carole J. Markhoff-Matheny, Brian E. Swanson | 1990-02-06 |
| 4634453 | Ceramic bonded grinding wheel | Leonard I. Smith, George E. Foster | 1987-01-06 |