Brett Caldwell

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Nepean, CA

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Patents Grantslast 30 patents

Information Patent Grant
Continuity check systems and methods using hardware native down mai...
- Patent number 10,044,606
- Issue date Aug 7, 2018
- Ciena Corporation
- Rajneesh Mishra
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Protection systems and methods for handling multiple faults and iso...
- Patent number 9,197,493
- Issue date Nov 24, 2015
- Ciena Corporation
- Marc Holness
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for providing grades of service for unprotecte...
- Patent number 7,535,831
- Issue date May 19, 2009
- Nortel Networks Limited
- Peter Phelps
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
CONTINUITY CHECK SYSTEMS AND METHODS USING HARDWARE NATIVE DOWN MAI...
- Publication number 20160352624
- Publication date Dec 1, 2016
- CIENA CORPORATION
- Rajneesh MISHRA
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
PROTECTION SYSTEMS AND METHODS FOR HANDLING MULTIPLE FAULTS AND ISO...
- Publication number 20140064063
- Publication date Mar 6, 2014
- CIENA CORPORATION
- Marc Holness
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for protection switch messaging on a shared me...
- Publication number 20050088963
- Publication date Apr 28, 2005
- Nortel Networks Limited
- Peter Phelps
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for providing grades of service for unprotecte...
- Publication number 20050058064
- Publication date Mar 17, 2005
- Nortel Networks Limited
- Peter Phelps
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
K-byte extension and tunnel identifying scheme for tunnel-based sha...
- Publication number 20050058060
- Publication date Mar 17, 2005
- Nortel Networks Limited
- Brett Caldwell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE