Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6914963 | Determining the composition of subscriber loops from frequency domain measurements | — | 2005-07-05 |
| 6876726 | Determining the composition of physical structures from boundary measurements, including the composition of subscriber loops | Joseph William Lechleider | 2005-04-05 |
| 6134312 | Method for remotely controlling a telephone loop/channel from another telephone loop/channel | — | 2000-10-17 |
| 5719925 | Method for remotely controlling a telephone loop/channel from another telephone loop/channel | — | 1998-02-17 |
| 5438616 | Method and apparatus for storing telephone numbers and for automatically calling the stored numbers | — | 1995-08-01 |
| 4326261 | Single tone detector | — | 1982-04-20 |
| 4307267 | Testing loaded transmission lines | — | 1981-12-22 |
| 4229626 | Loop fault sectionalization | — | 1980-10-21 |