Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9562557 | Punch pins, associated sockets, and methods of forming sockets using punch pins | — | 2017-02-07 |
| 7258517 | Self-punching fastener with radially positioned projections and an annular depression | Detlef Ludwig | 2007-08-21 |
| 6817815 | Fastener being pressable into a metal sheet in a way safe against rotation and pressing out | — | 2004-11-16 |