Walter D. Pullen

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Tamper-resistant text stream watermarking
- Patent number 7,894,630
- Issue date Feb 22, 2011
- Microsoft Corporation
- Walter D. Pullen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
File blocking mitigation
- Patent number 7,797,742
- Issue date Sep 14, 2010
- Microsoft Corporation
- Elizabeth Jeanne Sheldon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Tamper-resistant text stream watermarking
- Patent number 7,760,903
- Issue date Jul 20, 2010
- Microsoft Corporation
- Walter D. Pullen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method, system, and computer-readable medium for filtering harmful...
- Patent number 7,308,648
- Issue date Dec 11, 2007
- Microsoft Corporation
- David Michael Buchthal
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and computer-readable medium for importing and exporting hie...
- Patent number 7,191,186
- Issue date Mar 13, 2007
- Microsoft Corporation
- Walter David Pullen
- G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

Information Patent Application
Tamper-Resistant Text Stream Watermarking
- Publication number 20100278380
- Publication date Nov 4, 2010
- Microsoft Corporation
- Walter D. Pullen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
File Blocking Mitigation
- Publication number 20080209138
- Publication date Aug 28, 2008
- Microsoft Corporation
- Elizabeth Jeanne Sheldon
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Tamper-resistant text stream watermarking
- Publication number 20070047758
- Publication date Mar 1, 2007
- Microsoft Corporation
- Walter D. Pullen
- G06 - COMPUTING CALCULATING COUNTING