Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8499489 | Method of killing organisms and removal of toxins in enclosures | David Hedman | 2013-08-06 |
| 6327812 | Method of killing organisms and removal of toxins in enclosures | David Hedman | 2001-12-11 |