Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4846585 | Easy open bag structure | Hugo Boeckmann | 1989-07-11 |
| 4844258 | Wide carrier tape | Hugo Boeckmann | 1989-07-04 |
| 4840611 | Gusseted bags with reclosure features | Steven Ausnit | 1989-06-20 |
| 4817188 | Bag with separate attached zipper and method of making | — | 1989-03-28 |
| 4808099 | Apparatus for making tubular film with transverse closure strips | — | 1989-02-28 |