Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375537 | Blow molded grate | Donald J. Mitchell | 1994-12-27 |
| 5358133 | Over-pack container for an industrial drum | Donald J. Mitchell | 1994-10-25 |
| 5307931 | Hazardous material spill skid | Donald J. Mitchell | 1994-05-03 |