Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33339 | Chain for supporting energy conveying means, and chain link therefor | Klaus Heidrich, Alfred Krewitt, Fritz Ipithan | 1990-09-18 |
| 4228825 | Transmission line carrier | Werner Moritz, Friedrich Haschek | 1980-10-21 |