Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5337590 | Method and apparatus for bending tubes using split bend die | David M. Christensen, Samuel B. McGuire | 1994-08-16 |
| 5284041 | Method for bending tubes using split die | David M. Christensen, Richard N. Walker | 1994-02-08 |