Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9830127 | Electrolarynx control button arrangement with improved frequency control | Mark Andrew Robertson | 2017-11-28 |
| 9561099 | Electrolarynx control button arrangement | Mark Andrew Robertson | 2017-02-07 |
| 9336795 | Speech therapy system and method with loudness alerts | Mark Andrew Robertson, Karen Griffin | 2016-05-10 |
| 9116539 | Electrolarynx thumbwheel arrangement | — | 2015-08-25 |
| 9031249 | Electrolarynx | — | 2015-05-12 |
| D713824 | Throat microphone | — | 2014-09-23 |
| D681818 | Electrolarynx | — | 2013-05-07 |
| D680222 | Electrolarynx | — | 2013-04-16 |
| D678529 | Electrolarynx | — | 2013-03-19 |
| 6252966 | Artificial larynx | — | 2001-06-26 |
| 5812681 | Artificial larynx with frequency control | — | 1998-09-22 |