Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550965 | Reclosable plastic bag and method for forming | Charles Stempka | 2003-04-22 |
| 6487758 | Polypropylene recloseable zipper | Charles Stempka, Lisa Harris | 2002-12-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6550965 | Reclosable plastic bag and method for forming | Charles Stempka | 2003-04-22 |
| 6487758 | Polypropylene recloseable zipper | Charles Stempka, Lisa Harris | 2002-12-03 |