Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10479557 | Servicable draw and return tube assembly | Evan Waymire, John Loffink | 2019-11-19 |
| 10441380 | Body-inserted tube cleaning | Brad E. Vazales, Arthur Bertolero, James M. Gracy | 2019-10-15 |