Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11807749 | Electrically conductive PVC solvent cement | Qing Li, Louis Daigneault | 2023-11-07 |
| 11808384 | Composite transition fitting | Jeffrey Vincent Littlefield, Qing Li | 2023-11-07 |