Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5634245 | Structured surface fastener | Jon A. Kirschhoffer | 1997-06-03 |
| 5618225 | Abrasive attachment system for rotative abrading applications | Robert J. Jantschek, Mark L. Sterner, Theodore J. Testen | 1997-04-08 |