Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359607 | Telephone answering apparatus with solid state and dynamic tape storage | Hubert Hannig, Karl H. Krapp | 1982-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4359607 | Telephone answering apparatus with solid state and dynamic tape storage | Hubert Hannig, Karl H. Krapp | 1982-11-16 |