Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4222817 | Method and apparatus for pulping and grading waste material | Llewellyn E. Clark, John B. Matthew | 1980-09-16 | $2,057,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 4222817 | Method and apparatus for pulping and grading waste material | Llewellyn E. Clark, John B. Matthew | 1980-09-16 | $2,057,000 |