Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10014006 | Method of determining whether a phone call is answered by a human or by an automated device | Stephen R. Smith, Douglas Campbell | 2018-07-03 |
| 9679584 | Method of matching a digitized stream of audio signals to a known audio recording | Stephen R. Smith | 2017-06-13 |
| 9053711 | Method of matching a digitized stream of audio signals to a known audio recording | Stephen R. Smith | 2015-06-09 |
| 5003348 | Multi-function negative carrier | — | 1991-03-26 |
| D310297 | Partition for a camera bag | — | 1990-09-04 |
| 4371259 | Digital color printer system | — | 1983-02-01 |
| 4365544 | Preparation of beverages | — | 1982-12-28 |