Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797023 | Coated abrasives | Christopher E. Knapp, Kenneth Lorenz | 2004-09-28 |
| 6257973 | Coated abrasive discs | — | 2001-07-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797023 | Coated abrasives | Christopher E. Knapp, Kenneth Lorenz | 2004-09-28 |
| 6257973 | Coated abrasive discs | — | 2001-07-10 |