Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4516281 | Sewage treatment device | David B. MacPherson, Robert W. Foley, Martin W. Greinier, David N. Pulsifer | 1985-05-14 | $67,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4516281 | Sewage treatment device | David B. MacPherson, Robert W. Foley, Martin W. Greinier, David N. Pulsifer | 1985-05-14 | $67,000 |