Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991123 | Control circuit for causing cyclic application of sealing current for local loops supporting data network telephony | Franciscus Maria Ploumen, Bakri Aboukarr, Andrew Gordon Tomilson, Michael Edward Smelters, Mary Ann Condie | 2011-08-02 |