Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819829 | Closure for pourable materials container | David B. Rosten, William C. Perchak, Douglas E. Foos, Richard L. Partlow, Jr. | 1989-04-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819829 | Closure for pourable materials container | David B. Rosten, William C. Perchak, Douglas E. Foos, Richard L. Partlow, Jr. | 1989-04-11 |