| 10988953 |
Building perimeter system |
Abraham M. Underkofler, Peder J. Gulbrandsen, Michael O'Donnell |
2021-04-27 |
| 10233639 |
Open plenum utility channel |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2019-03-19 |
| 10174501 |
Metal baffles |
Abraham M. Underkofler, Peder J. Gulbrandsen, Kyle S. Carolus |
2019-01-08 |
| 10036163 |
Seismic perimeter attachment clip |
— |
2018-07-31 |
| 10006199 |
Trim strip system for use with underhung ceiling panels |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2018-06-26 |
| 9920524 |
Trim strip system for use with underhung ceiling panels |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2018-03-20 |
| 9534383 |
Ceiling panel system |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2017-01-03 |
| 9228347 |
Torsion spring metal ceiling system and hardware |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2016-01-05 |
| 9187898 |
Perimeter trim clip for suspended ceilings |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2015-11-17 |
| D739957 |
Cross tee with a hole locking tab |
Peder J. Gulbrandsen, Abraham M. Underkofler |
2015-09-29 |
| D736606 |
Bracket for a two-piece yoke for a suspended ceiling |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2015-08-18 |
| D733934 |
Utility module bracket |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2015-07-07 |
| D729053 |
Perimeter trim clip |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2015-05-12 |
| 8991120 |
Two-part channel cross member |
James J. Lehane, Peder J. Gulbrandsen, Abraham M. Underkofler |
2015-03-31 |
| 8955272 |
Accessible stabilizer bar |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2015-02-17 |
| 8955273 |
Channel cross member |
James J. Lehane, Peder J. Gulbrandsen, Abraham M. Underkofler |
2015-02-17 |
| D721945 |
Grid tee supporting clip |
Abraham M. Underkofler, Peder J. Gulbrandsen, Robert W. Gross |
2015-02-03 |
| 8898986 |
Hanger bar |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2014-12-02 |
| 8893449 |
Grid runner support brace |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2014-11-25 |
| 8887467 |
Ceiling panel wire anchor |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2014-11-18 |
| 8869484 |
Flexible drywall grid member for framing drywall structures |
Peder J. Gulbrandsen, Abraham M. Underkofler |
2014-10-28 |
| 8820026 |
Clip for perimeter trim |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2014-09-02 |
| 8813457 |
Grid runner to perimeter trim clip |
Abraham M. Underkofler, Peder J. Gulbrandsen |
2014-08-26 |
| 8667827 |
Grid runner |
James J. Lehane, Peder J. Gulbrandsen, John L. Hammond, Abraham M. Underkofler |
2014-03-11 |
| 8615948 |
Seismic perimeter brace |
Abraham M. Underkofler, Peder J. Gulbrandsen, James J. Lehane, Lee M. Tedesco |
2013-12-31 |