Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D494459 | Circular double barbed plate with fastener | William P. Kuhn | 2004-08-17 |
| D492896 | Circular double barbed plate with fastener | William P. Kuhn | 2004-07-13 |
| 6250866 | Self-drilling, self-tapping screw for concrete blocks | — | 2001-06-26 |