Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4502042 | Proximity switch, which indicates the presence or absence of field changing objects at a defined distance from the proximity switch by a binary signal with the aid of excitation and detection of a field | Arno Wuhrl | 1985-02-26 |
| 4420747 | Sheet feed monitoring system | — | 1983-12-13 |