Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5203886 | High porosity vitrified bonded grinding wheels | David A. Sheldon, Carole J. Markhoff-Matheny | 1993-04-20 |
| 5104424 | Abrasive article | Gordon E. Hickory, Robert N. Smith | 1992-04-14 |