Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932508 | Positive valve closure for plastic-lined bags and method for making same | — | 2005-08-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6932508 | Positive valve closure for plastic-lined bags and method for making same | — | 2005-08-23 |