Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5989114 | Composite grinding and buffing disc with flexible rim | Douglas R. Stitt | 1999-11-23 |
| 5624472 | Method for dry grinding with improved magnesium oxychloride cement bond containing graphite | James P. Koch | 1997-04-29 |
| 5460635 | Magnesium oxychloride cement containing graphite | James P. Koch | 1995-10-24 |