Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6575319 | Tab construction for threaded closures having tamper-indicating ring | — | 2003-06-10 |
| 6213321 | Threaded closure for pressurized containers | — | 2001-04-10 |
| 5992661 | Tab construction for closures having tamper evident rings | — | 1999-11-30 |
| 5979682 | Tab construction for closures having tamper evident rings | — | 1999-11-09 |
| 5829612 | Tab Construction for closures having tamper evident rings | — | 1998-11-03 |
| 5484071 | Tamper indicating ring construction for closures | — | 1996-01-16 |
| 5107998 | Tamper proof ring for threaded closures | — | 1992-04-28 |
| 4905852 | Plastic closure with improved seal | — | 1990-03-06 |
| 4890754 | Pilfer-resistant plastic closure | Henry J. Dorn | 1990-01-02 |
| 4739893 | Linerless plastic closure with integral sealing ring | — | 1988-04-26 |