Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8086101 | Multi-city DWDM wavelength link architectures and methods for upgrading | S. Christopher Alaimo, Dirk Barthel, Edward J. Bortolini, Richard W. Urie | 2011-12-27 |
| 7356258 | Optical interconnection for traffic between a pair of DWDM rings | Robert T. Weverka, S. Christopher Alaimo, Dirk Barthel, Edward J. Bortolini, Rainer Iraschko +1 more | 2008-04-08 |
| 7079723 | Optical wavelength cross connect architectures using wavelength routing elements | Edward J. Bortolini, Dirk Barthel, Robert T. Weverka, Rainer Iraschko | 2006-07-18 |
| 7003225 | Survivable ring transmission system with multiple protection classes | Rainer Iraschko, Michael MacGregor, Demetrius Stamatelakis, Ronald A. Wahler | 2006-02-21 |