Issued Patents All Time
Showing 51–60 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618383 | Method and apparatus for the manufacture of plastic bags having interlocking profile extrusions | — | 1986-10-21 |
| 4603434 | Ripple lock closure for flexible bags | — | 1986-07-29 |
| 4584820 | Individual bag folder and carton loader and method for operation thereof | — | 1986-04-29 |
| 4570411 | Bag folding and loading machine having improved swatter | — | 1986-02-18 |
| 4561109 | Plastic bags with releasable closure which resists opening from inside | — | 1985-12-24 |
| 4513559 | Bag transporter, folder and loader and method for operation | — | 1985-04-30 |
| 4421465 | Apparatus providing uniform resin distribution in a coextruded product | — | 1983-12-20 |
| 4410130 | Protective strip for Z-fold bag closure | — | 1983-10-18 |
| 4392897 | Manufacturing process for channel seal | — | 1983-07-12 |
| 4344907 | Method and apparatus providing uniform resin distribution in a coextruded product | — | 1982-08-17 |