Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8545425 | Reusable effluent drain container for dialysis and other medical fluid therapies | Loren M. Lundtveit, Melissa Schubert, Don A. Smith | 2013-10-01 |
| 5126081 | Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality | Charles B. Willingham | 1992-06-30 |
| 4944900 | Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality | Charles B. Willingham | 1990-07-31 |