Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10969050 | Air pressure attenuation device | Michael Gormley | 2021-04-06 |
| 8336368 | Method and equipment for detecting sealing deficiencies in drainage and vent systems for buildings | John D. Swaffield, Lynne Jack, Michael Gormley | 2012-12-25 |
| 7025092 | Positive air pressure attenuation device for drainage systems | John D. Swaffield | 2006-04-11 |