Dirk Bartels

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Cupertino, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable interactive device integrated with housing and multi-purpo...
- Patent number 7,385,589
- Issue date Jun 10, 2008
- Companion Worlds, Inc.
- Dirk Bartels
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Housing and multi-purpose clip for an interactive portable device
- Publication number 20050231464
- Publication date Oct 20, 2005
- Dirk Bartels
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Interactive mobile device
- Publication number 20050209050
- Publication date Sep 22, 2005
- Dirk Bartels
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Communication system and protocol for an interactive portable device
- Publication number 20050198114
- Publication date Sep 8, 2005
- Keith Lucas
- G06 - COMPUTING CALCULATING COUNTING