Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4913693 | Method of manufacturing a top gusset bag with integral handle | Delbert J. Barnard | 1990-04-03 |
| 4874255 | Top gusset bag with integral handle | Delbert J. Barnard | 1989-10-17 |