Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825780 | Bilevel student activity table | Arthur W. Carlson | 1989-05-02 |
| 4437411 | Multi-position student table | — | 1984-03-20 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825780 | Bilevel student activity table | Arthur W. Carlson | 1989-05-02 |
| 4437411 | Multi-position student table | — | 1984-03-20 |