Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943066 | Ball-like article | Ting Liu, Charles F. Foley | 1990-07-24 |
| 4571881 | Christmas tree stand | — | 1986-02-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4943066 | Ball-like article | Ting Liu, Charles F. Foley | 1990-07-24 |
| 4571881 | Christmas tree stand | — | 1986-02-25 |