Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |