Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5271202 | Suspended ceiling system with staked-on connectors | John S. Borucki, Chester A. Stanley | 1993-12-21 |
| 4989387 | Ceiling system with staked on connectors | John S. Borucki, Chester A. Stanley, James J. Dunn | 1991-02-05 |
| 4852325 | Reinforced bead | James J. Dunn, Martin D. Jahn | 1989-08-01 |
| 4712350 | Centering arrangement for T members of a suspended ceiling | — | 1987-12-15 |
| 4677802 | Suspended ceiling system and runner | — | 1987-07-07 |
| 4549383 | Suspended ceiling grid system | John S. Borucki, Chester A. Stanley | 1985-10-29 |
| 4525973 | Suspended ceiling system | John S. Borucki, Chester A. Stanley | 1985-07-02 |