Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE31913 | Apparatus for the continuous extraction of oils and soluble substances from solid materials | — | 1985-06-11 |
| 4428833 | Spent flake drainer-conveyor | — | 1984-01-31 |
| 4313912 | Apparatus for the continuous extraction of oils and soluble substances from solid materials | — | 1982-02-02 |
| 4307064 | Solvent extraction apparatus | Raymond L. Upchurch | 1981-12-22 |