Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6362456 | Method and system for controlling weld geometry features for improved fatigue performance of fabricated structures | Howard W. Ludewig | 2002-03-26 |
| 6024273 | Method and system for determining weld bead quality | Howard W. Ludewig, Samuel L. McClallen | 2000-02-15 |
| 5729345 | Apparatus and method for determining distortion of a welded member | Howard W. Ludewig, Adam Moore | 1998-03-17 |