Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940046 | Methods of and apparatus for joining profile sections by differentially heating the profile sections and connecting material | — | 2005-09-06 |
| 6790498 | Joined profile sections | Hubert Wittig | 2004-09-14 |