Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6671079 | Method and apparatus for transmitting a modulated optical signal | Yuan-Hua Kao, Frank J. Peragine | 2003-12-30 |
| 5490199 | Non-intrusive network-based analysis of facsimile transmissions | Thomas W. Goeddel, R. B. Heick, Martin Herzlinger, Subramanian Krishnamurthy | 1996-02-06 |
| 5299257 | Subscriber initiated non-intrusive network-based analysis of facsimile transmissions | Thomas W. Goeddel, R. B. Heick, Martin Herzlinger, Subramanian Krishnamurthy | 1994-03-29 |
| 4870675 | Remote testing of metallic loops with a trans hybrid signal | Thomas Gentles, Mark A. Lewandowski | 1989-09-26 |