Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D482587 | Abrasive product | Dennis G. Welygan | 2003-11-25 |
| 6641627 | Abrasive articles | Steven J. Keipert, Dennis G. Welygan | 2003-11-04 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D482587 | Abrasive product | Dennis G. Welygan | 2003-11-25 |
| 6641627 | Abrasive articles | Steven J. Keipert, Dennis G. Welygan | 2003-11-04 |