William E. Zircher

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Pepperell, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for connecting a secure peer-to-peer collabora...
- Patent number 7,562,115
- Issue date Jul 14, 2009
- Microsoft Corporation
- William E. Zircher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for connecting a secure peer-to-peer collabora...
- Patent number 7,139,798
- Issue date Nov 21, 2006
- Groove Networks, Inc.
- William E. Zircher
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Method and apparatus for connecting a secure peer-to-peer collabora...
- Publication number 20060075024
- Publication date Apr 6, 2006
- Microsoft Corporation
- William E. Zircher
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for connecting a secure peer-to-peer collabora...
- Publication number 20030217105
- Publication date Nov 20, 2003
- Groove Networks, Inc.
- William E. Zircher
- G06 - COMPUTING CALCULATING COUNTING