Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9938686 | Locakable manhole covers and methods for locking a manhole cover | Anthony F. Mitola, Lawrence E. Jordan, Joseph Vainauskas | 2018-04-10 |
| 9909312 | Free span ceiling grid system | James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy +2 more | 2018-03-06 |