Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6017412 | Method for attaching reclosable zipper strip transversely to thermoplastic film material | Donald L. Van Erden, Michael J. McMahon, Lawrence Share | 2000-01-25 |
| 6014795 | Slide zipper assembly | Michael J. McMahon, Donald L. Van Erden, Robert G. Kobetsky, Zdenek Machacek | 2000-01-18 |
| 5953796 | Slide zipper assembly | Michael J. McMahon, Donald L. Van Erden, Robert G. Kobetsky, Zdenek Machacek | 1999-09-21 |
| 5747126 | Ultraviolet excited fusible ribs for plastic zipper profiles | Donald L. Van Erden | 1998-05-05 |
| 5672009 | Reclosable pouch and zipper therefor | — | 1997-09-30 |
| 5638586 | Transverse zipper system | Donald L. Van Erden, Michael J. McMahon | 1997-06-17 |
| 5592802 | Transverse zipper system | Donald L. Van Erden, Michael J. McMahon | 1997-01-14 |
| 5557907 | Transverse zipper system | Donald L. Van Erden, Michael J. McMahon | 1996-09-24 |