Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9512666 | Air infiltration reduction system, insulating panel assembly, mounting assembly, and method of installing the same | Jay R. Reyher, Thomas D. Culp, John D. Siegel | 2016-12-06 |
| 8776822 | Inflow protection device for air relief valves on water-carrying pipelines | — | 2014-07-15 |
| 7866334 | Sewer pipe gas exhaust filter apparatus | — | 2011-01-11 |