Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240561 | Flanged connection for pressure vessel | Jon Hagstrom, Thomas Ahl | 1980-12-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4240561 | Flanged connection for pressure vessel | Jon Hagstrom, Thomas Ahl | 1980-12-23 |