Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5048594 | Process for controlling change of throttling position in a sliding closure unit | Walter Vetterli | 1991-09-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5048594 | Process for controlling change of throttling position in a sliding closure unit | Walter Vetterli | 1991-09-17 |