Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9396182 | Multi-lingual conference bridge with cues and method of use | David P. Frankel | 2016-07-19 |
| 9031827 | Multi-lingual conference bridge with cues and method of use | David P. Frankel | 2015-05-12 |