Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8940160 | Recessed restrictor plate | — | 2015-01-27 |
| 8657524 | Adjustable recessed restrictor plate assembly | — | 2014-02-25 |
| 8522408 | Catch basin clamp system | — | 2013-09-03 |
| 8523477 | Press-fit restrictor plate | — | 2013-09-03 |
| 7993072 | Restrictor plate with securing system | — | 2011-08-09 |
| 7611304 | Catch basin curb inlet cover | Kristopher J. Lill | 2009-11-03 |
| 7475585 | Punch tool for security purposes | Kristopher J. Lill | 2009-01-13 |
| 7128495 | Curb box cover assembly | Kristopher J. Lill | 2006-10-31 |