Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6889816 | Device for inserting and removing work stations circulating on chain | — | 2005-05-10 |
| 5593010 | Process and device for supplying energy to workstations circulating on a chain | Frank Gobel | 1997-01-14 |