Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4529656 | Oil imbibing polymer particles which are block resistant | Daniel H. Haigh | 1985-07-16 |
| 4302337 | Separation of oil from water | Daniel H. Haigh, Richard H. Hall | 1981-11-24 |