1589 | Device, Anti-stammering | Antistammering Device. |
1589 | Device, Anti-stammering | Antistammering Device. |
K962961 | SUSTAINED PHONATION | SURFACE MOUNT TECHNOLOGY, INC. |
K942651 | BIOFEEDBACK SYSTEM FOR SPEECH DISORDERS | CASA FUTURA TECHNOLOGIES |
K871590 | VOCALTECH VOCAL FEEDBACK DEVICE | VOCALTECH C/O HOGAN & HARTSON |
K800445 | EDINBURGH MASKER | FOUNDATION FOR FLUENCY, INC. |