Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9647978 | Methods and apparatus for providing expanded telecommunications service | Leland W. Kirchhoff, David S. Trandal, Colin D. Kelley, David J. Brahm, Robert F. Smith +1 more | 2017-05-09 |