Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D263972 | Hand held message board with changeable message cards | — | 1982-04-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D263972 | Hand held message board with changeable message cards | — | 1982-04-20 |