Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9365993 | Drainage unit having a quilt exterior | Paul Holbrook, Daniel Swistak | 2016-06-14 |
| 9273440 | Fabricating a drainage unit having a quilted exterior surface | Paul Holbrook, Daniel Swistak | 2016-03-01 |
| 9260854 | Method for internally supporting a septic tank and an internal support article for a septic tank | Paul Holbrook | 2016-02-16 |
| 9233775 | Molded plastic stormwater chamber having a hinged top joint | Paul Holbrook, Bryan A. Coppes, Mark Youngclaus | 2016-01-12 |