Issued Patents All Time
Showing 1–25 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11608636 | T-grid to baffle bar bracket | Abraham M. Underkofler, Eric H. Kremer, Faris Alnakkar | 2023-03-21 |
| 11466453 | Wallboard punch assembly with stripper bushings | James J. Lehane | 2022-10-11 |
| 11384536 | Ceiling grid hanger holes | Nathan Mathiot, Michael O'Donnell | 2022-07-12 |
| 10988953 | Building perimeter system | Abraham M. Underkofler, Mark R. Paulsen, Michael O'Donnell | 2021-04-27 |
| 10876305 | Building perimeter systems | Abraham M. Underkofler | 2020-12-29 |
| 10837172 | Tapered kerf construction | Michael P. Spihlman, Samuel D. Hulka | 2020-11-17 |
| 10590288 | Acoustically transparent sandable coating | Samuel D. Hulka, Rafael Bury | 2020-03-17 |
| 10316201 | Acoustically transparent sandable coating | Samuel D. Hulka, Rafael Bury | 2019-06-11 |
| 10233639 | Open plenum utility channel | Abraham M. Underkofler, Mark R. Paulsen | 2019-03-19 |
| 10174501 | Metal baffles | Abraham M. Underkofler, Mark R. Paulsen, Kyle S. Carolus | 2019-01-08 |
| 10006199 | Trim strip system for use with underhung ceiling panels | Abraham M. Underkofler, Mark R. Paulsen | 2018-06-26 |
| 9920525 | Acoustical baffle panel system | Abraham M. Underkofler | 2018-03-20 |
| 9920524 | Trim strip system for use with underhung ceiling panels | Abraham M. Underkofler, Mark R. Paulsen | 2018-03-20 |
| 9909312 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, John M. Willi, Donald J. Leahy, Abraham M. Underkofler +2 more | 2018-03-06 |
| 9879424 | Torsion spring panel bars and construction method | Abraham M. Underkofler | 2018-01-30 |
| 9777478 | Drywall sheet end joint | Samuel D. Hulka | 2017-10-03 |
| 9663948 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, John M. Willi, Donald J. Leahy, Abraham M. Underkofler +2 more | 2017-05-30 |
| 9598864 | Suspension system for flat drywall ceiling | Samuel D. Hulka, James J. Lehane | 2017-03-21 |
| D776302 | Drywall shadow molding | Chris C. Baker, James J. Lehane | 2017-01-10 |
| 9534383 | Ceiling panel system | Abraham M. Underkofler, Mark R. Paulsen | 2017-01-03 |
| 9476194 | Framing clips | Samuel D. Hulka | 2016-10-25 |
| 9464433 | Self-tightening splice | Samuel D. Hulka, Abraham M. Underkofler | 2016-10-11 |
| 9416536 | Indexed support bar | James J. Lehane, Abraham M. Underkofler | 2016-08-16 |
| 9255403 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, John M. Willi, Donald J. Leahy, Abraham M. Underkofler +2 more | 2016-02-09 |
| 9234348 | Drywall to acoustical ceiling transition trims | James J. Lehane, Chris C. Baker | 2016-01-12 |