Daniel T. Dreymann

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Palo Alto, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
State-maintained multi-party signatures
- Patent number 8,443,193
- Issue date May 14, 2013
- Barracuda Networks, Inc.
- Daniel T. Dreymann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
E-mail stamping with from-header validation
- Patent number 7,917,756
- Issue date Mar 29, 2011
- Goodmail Sytems, Inc.
- Daniel T. Dreymann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
E-mail Stamping with accredited entity name
- Patent number 7,917,943
- Issue date Mar 29, 2011
- GoodMail Systems, Inc.
- Daniel Dreymann
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
E-mail stamping with from-header validation
- Patent number 7,877,789
- Issue date Jan 25, 2011
- GoodMail Systems, Inc.
- Daniel T. Dreymann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
STATE-MAINTAINED MULTI-PARTY SIGNATURES
- Publication number 20130138963
- Publication date May 30, 2013
- Goodmail Systems, Inc.
- Daniel T. Dreymann
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Certification Of E-Mails With Embedded Code
- Publication number 20090106840
- Publication date Apr 23, 2009
- Daniel T. Dreymann
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
E-Mail Stamping With From-Header Validation
- Publication number 20080005786
- Publication date Jan 3, 2008
- Goodmail Systems, Inc.
- Daniel T. Dreymann
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
E-Mail Stamping with From-Header Validation
- Publication number 20060277597
- Publication date Dec 7, 2006
- Daniel T. Dreymann
- G06 - COMPUTING CALCULATING COUNTING