Kurt D. Dahl

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Seattle, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and system for tracking the purchase of a product and servic...
- Patent number 6,460,072
- Issue date Oct 1, 2002
- InfoSpace, Inc.
- John K. Arnold
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for tracking the purchase of a product and servic...
- Patent number 6,016,504
- Issue date Jan 18, 2000
- InfoSpace.com, Inc.
- John K. Arnold
- G06 - COMPUTING CALCULATING COUNTING