Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10513830 | Fabricating a plastic stormwater chamber | Bryan A. Coppes, Paul Holbrook, Mark Youngclaus | 2019-12-24 |
| 10427356 | Plastic tank having a welded frusto-conical flange joint | Paul Holbrook, Bryan A. Coppes, Gregory Trude | 2019-10-01 |
| 10428510 | Leaching unit having overhanging and perforated canopy | Paul Holbrook | 2019-10-01 |
| 10421236 | Method of fusion welding large plastic parts | Paul Holbrook | 2019-09-24 |