Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634384 | One-way valve for use with vacuum pump | Janet L. Skeens | 2003-10-21 |
| 6581641 | One-way valve for use with vacuum pump | Janet L. Skeens | 2003-06-24 |
| 6575191 | Evacuable container having one-way valve with filter element | Janet L. Skeens | 2003-06-10 |