Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8631953 | Closure for container for holding biological samples | Keith Haapala, Joseph Welk | 2014-01-21 |
| 8034272 | Method of preparing a closure for container for holding biological samples | Keith Haapala, Joseph Welk | 2011-10-11 |