Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5155955 | Frame based office space dividing system | Douglas C. Ball, Sherman Robbins, Michel J. Fischer, Leon Goldik, Donald J. Staufenberg +5 more | 1992-10-20 |
| 4438614 | Demountable interior partition system and components therefor | Joseph A. Davenport | 1984-03-27 |
| 4251968 | Demountable interior partition system, components therefor, and method of making such components | Joseph A. Davenport | 1981-02-24 |