Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8494327 | Expanded four fiber unit cable for increased fiber count cables having increased flexibility and fiber strength utilization | David A. Keller | 2013-07-23 |
| 8306377 | Loose tube optical fiber cable design and method for making the same | David A. Keller, Robert Pruitt, Allen Jones | 2012-11-06 |
| 8184934 | Optical fiber cable | David A. Keller, Norman Andrew Punch, Jr., Jerry H. Freeman, Bulent Kose, Lisa Huff +1 more | 2012-05-22 |
| 7609926 | Optical fiber cable | David A. Keller | 2009-10-27 |
| 7194168 | Tight buffer optical fiber ribbon | — | 2007-03-20 |