Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887619 | Method and apparatus for treating particulate material | Wilbur J. French, Jr. | 1989-12-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887619 | Method and apparatus for treating particulate material | Wilbur J. French, Jr. | 1989-12-19 |