Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4305443 | Seal for flexible container having flexible, generally conical portions | — | 1981-12-15 |
| 4294574 | Method of making seal for flexible container | — | 1981-10-13 |
| 4294247 | Frangible, resealable closure for a flexible tube | Garry L. Carter, Daniel B. Granzow | 1981-10-13 |
| 4240481 | Seal for flexible container having flexible, generally conical portions | — | 1980-12-23 |
| 4234026 | Seal for flexible container | — | 1980-11-18 |
| 4213561 | Flexible, collapsible container for blood and the like which is free of liquid-trapping folds | — | 1980-07-22 |
| 4181140 | Frangible resealable closure for a flexible tube having hold open means | Ronald A. Williams, David Ammann | 1980-01-01 |