Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6467652 | Discharge of pumpable material from shipper bags | William E. Wheeler | 2002-10-22 |
| 6427873 | Method and apparatus for enhancing evacuation of bulk material shipper bags | — | 2002-08-06 |