Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6872042 | Knurled fastener with cutting edges and removable head | Cheryl L. Panasik, Kenneth LeVey | 2005-03-29 |
| 4759672 | Fastener head with stabilizing ring | Martin J. Nilsen | 1988-07-26 |