Isadore Schoen

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Burke, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Systems and methods for authenticating an electronic message
- Patent number 9,444,625
- Issue date Sep 13, 2016
- United States Postal Service
- Leo J. Campbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for authenticating an electronic message
- Patent number 8,484,479
- Issue date Jul 9, 2013
- The United States Postal Service
- Leo J. Campbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for authenticating an electronic message
- Patent number 8,095,797
- Issue date Jan 10, 2012
- United States Postal Service
- Leo J. Campbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Systems and methods for authenticating an electronic message
- Patent number 7,797,543
- Issue date Sep 14, 2010
- United States Postal Service
- Leo J. Campbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Secure instant messaging system using instant messaging group polic...
- Patent number 7,321,969
- Issue date Jan 22, 2008
- Entrust Limited
- Isadore Schoen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
SYSTEMS AND METHODS FOR AUTHENTICATING AN ELECTRONIC MESSAGE
- Publication number 20130297931
- Publication date Nov 7, 2013
- Leo J. Campbell
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SYSTEMS AND METHODS FOR AUTHENTICATING AN ELECTRONIC MESSAGE
- Publication number 20120096275
- Publication date Apr 19, 2012
- United States Postal Service
- Leo J. Campbell
- G07 - CHECKING-DEVICES
Information Patent Application
Systems and methods for authenticating an electronic message
- Publication number 20090259840
- Publication date Oct 15, 2009
- United States Postal Service
- Leo J. Campbell
- G07 - CHECKING-DEVICES
Information Patent Application
Secure PKI proxy and method for instant messaging clients
- Publication number 20030204741
- Publication date Oct 30, 2003
- Isadore Schoen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Secure instant messaging system using instant messaging group polic...
- Publication number 20030204720
- Publication date Oct 30, 2003
- Isadore Schoen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Instant messaging apparatus and method with instant messaging secur...
- Publication number 20030204722
- Publication date Oct 30, 2003
- Isadore Schoen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE