Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9464433 | Self-tightening splice | Samuel D. Hulka, Peder J. Gulbrandsen | 2016-10-11 |
| 9416536 | Indexed support bar | James J. Lehane, Peder J. Gulbrandsen | 2016-08-16 |
| 9255403 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy +2 more | 2016-02-09 |
| 9228347 | Torsion spring metal ceiling system and hardware | Peder J. Gulbrandsen, Mark R. Paulsen | 2016-01-05 |