Issued Patents All Time
Showing 51–68 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5953796 | Slide zipper assembly | Donald L. Van Erden, Robert G. Kobetsky, Art Malin, Zdenek Machacek | 1999-09-21 |
| D403412 | Pipe and duct forming member | Gregory Allan Newsome | 1998-12-29 |
| 5638586 | Transverse zipper system | Art Malin, Donald L. Van Erden | 1997-06-17 |
| 5592802 | Transverse zipper system | Art Malin, Donald L. Van Erden | 1997-01-14 |
| 5557907 | Transverse zipper system | Art Malin, Donald L. Van Erden | 1996-09-24 |
| 5467763 | Surgical instruments | Peter Moran | 1995-11-21 |
| 5383989 | Method and apparatus for manufacturing reclosable plastic bags utilizing pre-heated zipper | — | 1995-01-24 |
| 5259879 | Powder application booth liner and method of making it | Ghazi M. A. Khattab, Jeffrey M. Stupar, James W. Stone, Christopher R. Merritt, Philip B. Lo Presti | 1993-11-09 |
| 5054270 | Bag support/spreader for vertical form, fill and seal machines | — | 1991-10-08 |
| 5048270 | Wrinkle free film spreader device for form, fill and seal machines | — | 1991-09-17 |
| 5042224 | Zipper tracking in form, fill and seal package machines | — | 1991-08-27 |
| 5027584 | Method and apparatus for unfolding folded zipper film | Hugo Boeckmann | 1991-07-02 |
| 5014497 | Method and apparatus for smoothing of bag making material in form, fill and seal machines | — | 1991-05-14 |
| 5014498 | Web control means and method for bag making machine | — | 1991-05-14 |
| 4986054 | Fill tube spreader | — | 1991-01-22 |
| 4974395 | Zipper guide and spreader device for form, fill and seal machines | — | 1990-12-04 |
| 4909017 | Reclosable bag material, method and apparatus | Paul P. Spanier | 1990-03-20 |
| 4660716 | Packaging arrangement for preparing and serving food products | Leonard E. Johnson, Jr. | 1987-04-28 |