Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9416536 | Indexed support bar | Abraham M. Underkofler, Peder J. Gulbrandsen | 2016-08-16 |
| 9255403 | Free span ceiling grid system | Lee M. Tedesco, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy, Abraham M. Underkofler +2 more | 2016-02-09 |
| 9234348 | Drywall to acoustical ceiling transition trims | Peder J. Gulbrandsen, Chris C. Baker | 2016-01-12 |