Stephen R. Gilfus

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Woodbridge, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Internet-based education support system and methods
- Patent number 7,558,853
- Issue date Jul 7, 2009
- Blackboard, Inc.
- Robert L. Alcorn
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Internet-based education support system and methods
- Patent number 7,493,396
- Issue date Feb 17, 2009
- Blackboard, Inc.
- Robert L. Alcorn
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Internet-based education support system and methods
- Patent number 6,988,138
- Issue date Jan 17, 2006
- Blackboard Inc.
- Robert L. Alcorn
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

Information Patent Application
INTERNET-BASED EDUCATION SUPPORT SYSTEM AND METHODS
- Publication number 20090317786
- Publication date Dec 24, 2009
- Blackboard, Inc.
- Robert L. Alcorn
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Internet-based education support system and methods
- Publication number 20070130339
- Publication date Jun 7, 2007
- Blackboard, Inc.
- Robert L. Alcorn
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Internet-based education support system and methods
- Publication number 20060168233
- Publication date Jul 27, 2006
- Blackboard, Inc.
- Robert L. Alcorn
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS