Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7371699 | Net-reinforced film structure with modified strand profile | — | 2008-05-13 |
| 6774062 | Net-reinforced film structure with modified strand profile | — | 2004-08-10 |
| 6602174 | Method and apparatus for sealing a drawtape to a hem of a thermoplastic film structure | Gregory Haverfield, Gerald E. Rawlings | 2003-08-05 |
| 5833791 | Conforming end stops for a plastic zipper | Vernon C. Catchman, David V. Dobreski, Michael W. McManus | 1998-11-10 |
| 4895611 | Method and apparatus for making non-roping thermoplastic draw tape for thermplastic bags | Edward G. Grosz | 1990-01-23 |
| 4854983 | Rotary heat sealing method and apparatus | Robert E. Hollenbeck | 1989-08-08 |
| 4822437 | Method and apparatus for making non-roping thermoplastic draw tape for thermoplastic bags | Edward G. Grosz | 1989-04-18 |