Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4790772 | Electric connecting terminal | Siegfried Schulte, Friedrich W. Otlinghaus | 1988-12-13 |
| 4689454 | Electrical push button switch having a splash-proof cylindrical enclosure | Siegfried Schulte | 1987-08-25 |
| 4653835 | Electrical plug-coupler-system | Siegfried Schulte | 1987-03-31 |
| 4614848 | Switch arrangement with closing lock | Siegfried Schulte | 1986-09-30 |