Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D385946 | Water purifier | Marc S. Harrison, Jan-Christoph Zoels, Raymond P. Denkewicz, Jr. | 1997-11-04 |
| 5660802 | Water purifier | David Archer, Diane M. Brancazio, Susannah Gardner, Charles F. Heinig, Matthew D. Hern +2 more | 1997-08-26 |