Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8200899 | Method and system for providing digital rights management files using caching | — | 2012-06-12 |
| 7991958 | Method and system for providing digital rights management files using caching | — | 2011-08-02 |
| 5913189 | Voice compression system having robust in-band tone signaling and related method | Jeanne L. Hall, Dan Housam | 1999-06-15 |
| 5818296 | FSK demodulator using goertzel's discrete fourier transform | Allan Lamkin, Simha Erlich | 1998-10-06 |