Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5065883 | Tamper evident closure | — | 1991-11-19 |
| 4960376 | Apparatus for making a plastic container with integral handling ring | — | 1990-10-02 |
| 4713207 | Manufacturing method for thermoplastic container with integral lifting ring | David Koller | 1987-12-15 |
| 4573605 | Replaceable closure arrangement | — | 1986-03-04 |