Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE39813 | Vacuum-assisted pump | William B. Carnes, Robert B. Ray | 2007-09-04 |
| 6616427 | Vacuum-assisted pump | William B. Carnes, Robert B. Ray | 2003-09-09 |
| 6575706 | Vacuum-assisted pump | William B. Carnes | 2003-06-10 |
| 6409478 | Vacuum-assisted pump | William B. Carnes, Robert B. Ray | 2002-06-25 |