Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6308748 | Sealable recovery vessel system and method for accessing valved containers | Dan A. Nickens, Charles C. Mattern, John E. Carlson | 2001-10-30 |
| 6164344 | Sealable recovery vessel system and method for accessing valved containers | Dan A. Nickens, Charles C. Mattern, John E. Carlson | 2000-12-26 |