Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7720202 | Method and apparatus for testing telephone sound quality | John R Bachorik, Davin J. Lee | 2010-05-18 |
| 7236573 | Method and apparatus for testing telephone sound quality | John R Bachorik, Davin J. Lee | 2007-06-26 |