Robert Van Zant

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San Bruno, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of controlling access to network resources using information...
- Patent number 8,069,213
- Issue date Nov 29, 2011
- IronPort Systems, Inc.
- Eric Bloch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of controlling access to network resources using information...
- Patent number 7,809,796
- Issue date Oct 5, 2010
- IronPort Systems, Inc.
- Eric Bloch
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method of controlling access to network resources referenced in ele...
- Patent number 7,634,543
- Issue date Dec 15, 2009
- IronPort Systems, Inc.
- Robert Van Zant
- G06 - COMPUTING CALCULATING COUNTING