Issued Patents 2018
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909312 | Free span ceiling grid system | James J. Lehane, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy, Abraham M. Underkofler +2 more | 2018-03-06 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9909312 | Free span ceiling grid system | James J. Lehane, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy, Abraham M. Underkofler +2 more | 2018-03-06 |