Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5682730 | Plastic bag with bottom header | — | 1997-11-04 |
| 5669715 | Tamper-evident reclosable plastic bag with slider | Michael W. McManus, Alexander R. Provan, Toby R. Thomas | 1997-09-23 |