Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11717061 | Male member of snap fastener and snap fastener | — | 2023-08-08 |
| 11064772 | Male member of snap fastener and snap fastener | — | 2021-07-20 |
| D728417 | Press stud | — | 2015-05-05 |
| D728418 | Press stud | — | 2015-05-05 |
| D728419 | Press stud | — | 2015-05-05 |
| 8042238 | Snap fastener part | — | 2011-10-25 |
| 6247209 | Capped rivet | — | 2001-06-19 |
| 6170129 | Press fastener | — | 2001-01-09 |
| 6170135 | Watertight press fastener part | — | 2001-01-09 |
| 6047449 | Capped rivet | — | 2000-04-11 |
| 5745964 | Push-button closure part | Harald Luer, Volker Scheffels | 1998-05-05 |