Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831756 | Album with replaceable front cover | Feng HUANG | 1989-05-23 |
| 4830404 | Screen-like photo album | — | 1989-05-16 |
| 4822195 | Multi-purpose album | — | 1989-04-18 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831756 | Album with replaceable front cover | Feng HUANG | 1989-05-23 |
| 4830404 | Screen-like photo album | — | 1989-05-16 |
| 4822195 | Multi-purpose album | — | 1989-04-18 |