Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4877195 | Rolled web holder | — | 1989-10-31 |
| 4865721 | Vertical-drop grain aspirator | Donald L. Deane | 1989-09-12 |
| 4795651 | Flotation separation of aflatoxin-contaminated grain or nuts | James C. Henderson, Stanley H. Kreutzer, Arthur A. Schmidt, William R. Hagen | 1989-01-03 |