Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354167 | Multi-subscriber differentiation and distribution switching system having interchangeable differentiating circuits | Yves DeFlandre | 1982-10-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4354167 | Multi-subscriber differentiation and distribution switching system having interchangeable differentiating circuits | Yves DeFlandre | 1982-10-12 |