Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5478228 | Apparatus for making a zipper for a reclosable thermoplastic bag | Brian C. Dais, Jose Porchia, John O. McCree, Raymond R. Rydman | 1995-12-26 |
| 5307552 | Method of making a zipper for reclosable thermoplastic bag | Brian C. Dais, Jose Porchia, John O. McCree, Raymond R. Rydman | 1994-05-03 |
| 5070584 | Zipper for a reclosable thermoplastic bag and a process and apparatus for making | Brian C. Dais, Jose Porchia, John O. McCree, Raymond R. Rydman | 1991-12-10 |
| 4552685 | Thickened amphoteric surfactant solutions | John M. Kernstock, Earl H. Johnson | 1985-11-12 |