Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389785 | ION filter apparatus and method of production thereof | Urs Steiner, Nigel P. Gore | 1995-02-14 |
| 4709856 | Electrical and mechanical coupling for model rail sections | Manfred Reyher | 1987-12-01 |