Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11661733 | Spring-loaded float tree and float tree assembly | Charles P. Carroll | 2023-05-30 |
| 11441578 | Water-powered sump pump | Charles P. Carroll, David R. Gilbert | 2022-09-13 |