Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11225046 | Gypsum board with perforated cover sheet and system and method for manufacturing same | Dale M. Shubert, Ronald E. Schenck, Thomas G. Rowland | 2022-01-18 |
| 11098474 | Wall channel for grid tee | James J. Lehane | 2021-08-24 |
| 9909312 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, Donald J. Leahy, Abraham M. Underkofler +2 more | 2018-03-06 |
| 9663948 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, Donald J. Leahy, Abraham M. Underkofler +2 more | 2017-05-30 |
| 9255403 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, Donald J. Leahy, Abraham M. Underkofler +2 more | 2016-02-09 |