Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840572 | Telephone connector block having serially interconnectible grounding strip | Helmuth Neuwirth | 1989-06-20 |
| 4832192 | Maintenance termination unit circuit structure | Peter Hung | 1989-05-23 |
| 4824403 | Telephone connector block for cradle type installtion | William V. Carney, Helmuth Neuwirth, Michael Fasano | 1989-04-25 |
| 4813071 | Laminar type telephone connector block | — | 1989-03-14 |
| 4811169 | Single sided DSX frame | Michael Shatzkin, Albert Atun | 1989-03-07 |