Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4922668 | Service access unit for floors | — | 1990-05-08 |
| 4912897 | Flooring systems with segregated service feeds | — | 1990-04-03 |
| 4523416 | Flooring system with service trunking provision | Ghislaine R. L. Payne | 1985-06-18 |