Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468187 | Apparatus for producing a tubular article having an annular groove therein | Claes T. Nilsson, Kjell M. Jakobsen | 1984-08-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4468187 | Apparatus for producing a tubular article having an annular groove therein | Claes T. Nilsson, Kjell M. Jakobsen | 1984-08-28 |