Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887619 | Method and apparatus for treating particulate material | Wilbur J. French, Jr. | 1989-12-19 |
| 4730627 | Method and apparatus for treating particulate material | Wilbur J. French, Jr. | 1988-03-15 |