Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11242677 | Corrugated stormwater chamber having sub-corrugations | David J. Mailhot, Timothy J. McGrath | 2022-02-08 |
| 10253490 | Corrugated stormwater chamber having sub-corrugations | David J. Mailhot, Timothy J. McGrath | 2019-04-09 |
| 9885171 | Corrugated stormwater chamber having sub-corrugations | David J. Mailhot, Timothy J. McGrath | 2018-02-06 |
| 9637907 | Corrugated stormwater chamber having sub-corrugations | David J. Mailhot, Timothy J. McGrath | 2017-05-02 |
| 9556576 | Corrugated stormwater chamber having sub-corrugations | David J. Mailhot, Timothy J. McGrath | 2017-01-31 |
| 9255394 | Corrugated stormwater chamber having sub-corrugations | David J. Mailhot, Timothy J. McGrath | 2016-02-09 |
| 8857641 | Manipulating and restraining a two piece septic tank | Roy E. Moore, Jr., Paul Holbrook, Bryan A. Coppes | 2014-10-14 |
| 8672583 | Corrugated stormwater chamber having sub-corrugations | David J. Mailhot, Timothy J. McGrath | 2014-03-18 |