David Hoogstrate

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San Francisco, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for filtering email spam using email noise red...
- Patent number 8,402,102
- Issue date Mar 19, 2013
- Symantec Corporation
- Matt Gleeson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
System and method for filtering spam messages utilizing URL filteri...
- Patent number 8,145,710
- Issue date Mar 27, 2012
- Symantec Corporation
- David Cowings
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Media management system
- Patent number 7,996,436
- Issue date Aug 9, 2011
- Livebinders, Inc.
- Tina Schneider
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for filtering email spam using email noise red...
- Patent number 7,831,667
- Issue date Nov 9, 2010
- Symantec Corporation
- Matt Gleeson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR FILTERING EMAIL SPAM USING EMAIL NOISE RED...
- Publication number 20110055343
- Publication date Mar 3, 2011
- Symantec Corporation
- Matt Gleeson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
System and method for filtering spam messages utilizing URL filteri...
- Publication number 20090070872
- Publication date Mar 12, 2009
- David Cowings
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Media management system
- Publication number 20070130177
- Publication date Jun 7, 2007
- Tina Schneider
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for filtering email spam based on similarity m...
- Publication number 20050108340
- Publication date May 19, 2005
- Matt Gleeson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for filtering email spam using email noise red...
- Publication number 20050108339
- Publication date May 19, 2005
- Matt Gleeson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE