Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D330852 | Plastic bag | Emil Gontowski, deceased | 1992-11-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D330852 | Plastic bag | Emil Gontowski, deceased | 1992-11-10 |