Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7665251 | Structural steel framed houses with gable end frames, intermediate frames, and wall and roof panels having perimeters of C-shaped steel channels | Steven C. Lang | 2010-02-23 |
| 5265342 | Drywall cutting tool | — | 1993-11-30 |
| 4760498 | Photographic lamp | Armin Nuessli | 1988-07-26 |