Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506359 | TASI Apparatus for use with systems having interregister multifrequency signalling | Teodor Henquin | 1985-03-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4506359 | TASI Apparatus for use with systems having interregister multifrequency signalling | Teodor Henquin | 1985-03-19 |