Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080414 | Locking device for attaching a gas cylinder in a portable cylinder holder | Ivan Hellquist | 1992-01-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080414 | Locking device for attaching a gas cylinder in a portable cylinder holder | Ivan Hellquist | 1992-01-14 |