Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9010055 | Extra strength backing stud having notched flanges | Leszek Orszulak | 2015-04-21 |
| 8689508 | Extra strength backing stud having notched flanges | Leszek Orszulak | 2014-04-08 |
| 7451573 | Slotted M-track beam structures and related wall assemblies | Leszek Orszulak | 2008-11-18 |
| 6748705 | Slotted M-track support | Leszek Orszulak | 2004-06-15 |