David L. Parrish

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Earlysville, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for establishing secure communications using comp...
- Patent number 9,584,495
- Issue date Feb 28, 2017
- Grey Heron Technologies, LLC
- David L. Parrish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for conducting high speed, symmetric stream ciphe...
- Patent number 9,270,462
- Issue date Feb 23, 2016
- Grey Heron Technologies, LLC
- David L. Parrish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for establishing secure communications using comp...
- Patent number 8,914,635
- Issue date Dec 16, 2014
- Grey Heron Technologies, LLC
- David L. Parrish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and system for conducting high speed, symmetric stream ciphe...
- Patent number 8,488,779
- Issue date Jul 16, 2013
- Grey Heron Technologies, LLC
- David L. Parrish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method and System for Establishing Secure Communications Using Comp...
- Publication number 20150180843
- Publication date Jun 25, 2015
- Grey Heron Technologies, LLC
- David L. Parrish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and System for Establishing Secure Communications Using Comp...
- Publication number 20140047237
- Publication date Feb 13, 2014
- Grey Heron Technologies, LLC
- David L. Parrish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and System for Conducting High Speed, Symmetric Stream Ciphe...
- Publication number 20130308774
- Publication date Nov 21, 2013
- David L. Parrish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and System for Conducting High Speed, Symmetric Stream Ciphe...
- Publication number 20130028410
- Publication date Jan 31, 2013
- David L. Parrish
- H04 - ELECTRIC COMMUNICATION TECHNIQUE