Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9223090 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Dirk Barthel, Robert T. Weverka, Samuel P. Weaver, Paulo E. X. Silveira | 2015-12-29 |
| 8693821 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Dirk Barthel, Robert T. Weverka, Samuel P. Weaver, Paulo E. X. Silveira | 2014-04-08 |
| 8363991 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Dirk Barthel, Robert T. Weverka, Samuel P. Weaver, Paulo E. X. Silveira | 2013-01-29 |
| 8086101 | Multi-city DWDM wavelength link architectures and methods for upgrading | S. Christopher Alaimo, Dirk Barthel, George David Morley, Richard W. Urie | 2011-12-27 |
| 7720330 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Dirk Barthel, Robert T. Weverka, Samuel P. Weaver, Paulo E. X. Silveira | 2010-05-18 |
| 7356258 | Optical interconnection for traffic between a pair of DWDM rings | Robert T. Weverka, S. Christopher Alaimo, Dirk Barthel, Rainer Iraschko, George David Morley +1 more | 2008-04-08 |
| 7349594 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Dirk Barthel, Robert T. Weverka, Samuel P. Weaver, Paulo E. X. Silveira | 2008-03-25 |
| 7194206 | Variable-density optical cross-connect architectures and upgrades | Robert T. Weverka, Richard W. Urie, Phillip Clark | 2007-03-20 |
| 7155084 | Bidirectional wavelength cross connect architectures using wavelength routing elements | Dirk Barthel, Robert T. Weverka, Samuel P. Weaver, Paulo E. X. Silveira | 2006-12-26 |
| 7079723 | Optical wavelength cross connect architectures using wavelength routing elements | Dirk Barthel, Robert T. Weverka, Rainer Iraschko, George David Morley | 2006-07-18 |
| 7013000 | MTA intercom feature | Roger Loots | 2006-03-14 |
| 6853811 | Dual-wave optical shared protection ring | Ronald A. Wahler | 2005-02-08 |
| 6813408 | Methods for performing in-service upgrades of optical wavelength cross connects | — | 2004-11-02 |
| 6690853 | Tunable DWDM demultiplexer | S. Christopher Alaimo, Marc DeFrancesco, Keith Honea, David J. Marinelli, Steven Mechels +5 more | 2004-02-10 |
| 6687907 | Prevention of broadband cable service theft | — | 2004-02-03 |
| 6650750 | Voice notification for a battery alarm in a network interface unit | — | 2003-11-18 |
| 6088352 | Bit sliced digital cross connect switching system controlled by port units | James R. Bortolini | 2000-07-11 |
| 6064669 | Bit sliced digital cross connect switching system | James R. Bortolini, Lawrence J. Nociolo | 2000-05-16 |
| 4635249 | Glitchless clock signal control circuit for a duplicated system | John S. Helton, Dwight W. Kohs | 1987-01-06 |