Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10351289 | Method of producing a squeeze tube with maximally labeled surface area | Edward Wiegand | 2019-07-16 |
| 4809861 | Buckle resistant can end | Harlen E. Wilkinson | 1989-03-07 |
| 4790705 | Method of forming a buckle resistant can end | Harlen E. Wilkinson | 1988-12-13 |
| 4579495 | Environmental retained tab ends | Karl O. Dassler | 1986-04-01 |
| 4424698 | Tool for coining | — | 1984-01-10 |
| 4372462 | Retained ring tab | Karl O. Dassler | 1983-02-08 |
| 4361251 | Detachment resistant retained lever tab | Friedrich Stein | 1982-11-30 |
| 4211335 | Fracture resistant retained lever tab and method of manufacture | — | 1980-07-08 |