DeHann; David Edward
Patent Applications and Registrations
Patent applications and USPTO patent grants for DeHann; David Edward.The latest application filed is for "using query expression signatures in view matching".
- DeHann; David Edward - Waterloo CA
| Patent | Date |
|---|---|
| Using query expression signatures in view matching Grant 7,599,925 - Larson , et al. October 6, 2 | 2009-10-06 |
| Using query expression signatures in view matching App 20060230017 - Larson; Per-Ake ; et al. | 2006-10-12 |
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