Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335272 | Method and arrangement for supplying direct current to a telephone line | Bengt Gustav Lofmark, Claes J. A. Lindberg | 1994-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335272 | Method and arrangement for supplying direct current to a telephone line | Bengt Gustav Lofmark, Claes J. A. Lindberg | 1994-08-02 |