Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4618984 | Adaptive automatic discrete utterance recognition | Subrata Das | 1986-10-21 |
| 4570746 | Wind/breath screen for a microphone | Subrata Das, Robert Francis Gluck | 1986-02-18 |