Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978231 | Multiple disposable plastic bag assembly | Wang C. Han | 1990-12-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4978231 | Multiple disposable plastic bag assembly | Wang C. Han | 1990-12-18 |