Issued Patents 2011
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D647394 | Polymer drum ring and lever | — | 2011-10-25 |
| D647275 | Polymer drum ring and lever with strengthened profile | — | 2011-10-18 |
| D643288 | Polymer screw cap with reducer and integral vent protector ring | — | 2011-08-16 |
| D642918 | Tamper evident polymer screw cap with reducer and integral vent protector ring | — | 2011-08-09 |
| D642919 | Tamper evident polymer screw cap with integral vent protector ring | — | 2011-08-09 |
| D642920 | Polymer screw cap with integral vent protector ring | — | 2011-08-09 |