Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11987967 | High efficiency toilet | Patrick Gerard Stack | 2024-05-21 |
| 11591782 | Anti-overflow toilet | Patrick Gerard Stack, Lawrence Allen Trowbridge, Mauricio Zambrano | 2023-02-28 |
| 11118335 | Anti-overflow toilet | Patrick Gerard Stack | 2021-09-14 |