Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415386 | Method and apparatus for assembling and attaching zipper closure strips to sacks | Robert A. Ferrell | 1983-11-15 |
| 4189136 | Automatic bag tube feeder | — | 1980-02-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4415386 | Method and apparatus for assembling and attaching zipper closure strips to sacks | Robert A. Ferrell | 1983-11-15 |
| 4189136 | Automatic bag tube feeder | — | 1980-02-19 |