| 11384536 |
Ceiling grid hanger holes |
Peder J. Gulbrandsen, Nathan Mathiot |
2022-07-12 |
| 10988953 |
Building perimeter system |
Abraham M. Underkofler, Peder J. Gulbrandsen, Mark R. Paulsen |
2021-04-27 |
| 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 |
| 9765498 |
Manhole cover locks, lockable manhole covers, and methods for locking a manhole cover |
Anthony F. Mitola, Lawrence E. Jordan, Joseph Vainauskas |
2017-09-19 |
| 9663948 |
Free span ceiling grid system |
James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy +2 more |
2017-05-30 |
| 9255403 |
Free span ceiling grid system |
James J. Lehane, Lee M. Tedesco, Peder J. Gulbrandsen, John M. Willi, Donald J. Leahy +2 more |
2016-02-09 |
| D682069 |
Bracket useful for mounting ceiling grid tees to walls or ceilings |
James J. Lehane, Faris Alnakkar, Gregory M. Ahren |
2013-05-14 |
| D373001 |
Decorative seasonal outdoor light |
— |
1996-08-20 |
| 5367887 |
Apparatus for frosting drinking glasses |
Jerry Byrd |
1994-11-29 |