Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5609768 | Process for separating and/or recovering hydrocarbon oils from water using biodegradable absorbent sponges | Karl J. Marean | 1997-03-11 |
| 5039414 | Process for separating and/or recovering hydrocarbon oils from water using biodegradable absorbent sponges | Karl J. Marean | 1991-08-13 |