Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362618 | Water filter | Dorothy M. Cook | 1982-12-07 |
| 4301009 | Water filter | Dorothy M. Cook | 1981-11-17 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4362618 | Water filter | Dorothy M. Cook | 1982-12-07 |
| 4301009 | Water filter | Dorothy M. Cook | 1981-11-17 |