Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5393419 | Ultraviolet lamp assembly for water purification | Merlin G. Tiede, Dennis J. Kool | 1995-02-28 |
| 5030125 | Attachment assembly for ultraviolet light lamp apparatus | Kiyomitsu K. Toma | 1991-07-09 |