Patent US 2756394A
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| Patent number | US 2756394A (click link for details and documents via Google Patents) |
|---|---|
| Title | Delay cables |
| Inventors | Josef Sieven, Ernst Scheffler |
| Company | Hackethal Draht-und Kabel Werke |
| Filing date | 1953-07-14 |
| Grant date | 1956-07-24 |
Cited By:
| Patent | Title | Inventors | Assignee | Granted |
|---|---|---|---|---|
| Patent US 2854640A | Electromagnetic delay cable | Henry G. Nordlin | International Telephone and Telegraph Corporation | 1958-09-30 |