Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7544403 | Bag having an improved heat seal closure and associated methods | Mark Hartzell, Alfred A. McLellan, Sarajane Johnson, Roseann Woodham-Grant, Mary K. Cash | 2009-06-09 |
| 7090904 | Enhanced slider zipper multiwall bag and associated methods | Mark Hartzell, Alfred A. McLellan, Sarajane Johnson, Roseann Woodham-Grant, Mary K. Cash | 2006-08-15 |
| 6979482 | Multiwall bag with zipper and fin | Mark Hartzell, Alfred A. McLellan, Sarajane Johnson, Roseann Woodham-Grant, Mary K. Cash | 2005-12-27 |