Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6763107 | Method and apparatus for reducing distortion in a line powered modulator circuit | Jonathan H. Fischer, Keith Eugene Hollenbach, Donald R. Laturell, Lane A. Smith | 2004-07-13 |
| 6735305 | Detection of low tip/ring currents in a line powered DAA | Jonathan H. Fischer, Donald R. Laturell, Lane A. Smith, Michael S. Toth, Michael G. Williams +1 more | 2004-05-11 |
| 6728371 | Method and apparatus for stabilization of a line powered modulator circuit | Jonathan H. Fischer, Keith Eugene Hollenbach, Donald R. Laturell, Lane A. Smith | 2004-04-27 |
| 6674857 | Startup procedure for international line powered DAA | Jonathan H. Fischer, Donald R. Laturell, Lane A. Smith, Michael S. Toth, Keith Eugene Hollenbach | 2004-01-06 |