Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620156 | Device for operating a switch for rail points | Clarence Berggren, Uno Norrgård | 1997-04-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620156 | Device for operating a switch for rail points | Clarence Berggren, Uno Norrgård | 1997-04-15 |