Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602492 | Method and machine for expanding tubes in a tube sheet | Viktor M. Brif | 1986-07-29 |
| 4239713 | Method and machine for expanding tubes in a tube wall | Viktor M. Brif | 1980-12-16 |