Philip Zimmermann

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Menlo Park, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cryptographic system with methods for user-controlled message recovery
- Patent number 7,139,399
- Issue date Nov 21, 2006
- PGP Corporation
- Philip Zimmermann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Cryptographic system with methods for user-controlled message recovery
- Patent number 6,314,190
- Issue date Nov 6, 2001
- Networks Associates Technology, Inc.
- Philip Zimmermann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE