Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10872595 | Flexible acoustic waveguide device | David Meeker, Chester Smith Williams | 2020-12-22 |
| 10777171 | Electric musical instrument having a bridge | Roman N. Litovsky, Mikhail Ioffe, Chester Smith Williams | 2020-09-15 |
| 10770047 | Electric musical instrument having rear mounted speaker | Roman N. Litovsky, Mikhail Ioffe, Robert Alan Lituri | 2020-09-08 |
| 10667039 | Acoustic device having an electro-acoustic transducer mounted to a passive radiator diaphragm | Roman N. Litovsky, Chester Smith Williams | 2020-05-26 |
| 10602253 | Open audio device with reduced sound attenuation | Roman N. Litovsky, Cory Roberts | 2020-03-24 |
| 10531186 | Acoustic device | Roman N. Litovsky, Chester Smith Williams | 2020-01-07 |