Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7353167 | Translating a voice signal into an output representation of discrete tones | John Puterbaugh, Eric J. Puterbaugh, Robert Baxter | 2008-04-01 |
| 7346500 | Method of translating a voice signal to a series of discrete tones | John Puterbaugh, Eric J. Puterbaugh, Robert Baxter | 2008-03-18 |
| 7027983 | System and method for generating an identification signal for electronic devices | John Puterbaugh, Eric J. Puterbaugh, Robert Baxter | 2006-04-11 |