Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6056440 | Sift proofing membrane for bulk lift bag and method | — | 2000-05-02 |
| 5738619 | Method of manufacturing bulk bags | — | 1998-04-14 |
| 5536086 | Reinforced wall bottom closure construction for a bulk bag | — | 1996-07-16 |
| 5415614 | Manufacture of bulk bags | — | 1995-05-16 |
| 4822179 | Semi-bulk transport bags with lifting members of bag material | — | 1989-04-18 |
| 4646357 | Transport bag for particulate material | — | 1987-02-24 |
| RE32308 | End wall closure for bulk material transport bag | — | 1986-12-16 |
| 4364424 | End wall closure for bulk material transport bag | — | 1982-12-21 |
| 4307764 | Bulk material transport bag | — | 1981-12-29 |