Kratsch; Charles Henry
Patent Applications and Registrations
Patent applications and USPTO patent grants for Kratsch; Charles Henry.The latest application filed is for "system for collection and longitudinal analysis of anonymous student data".
- Kratsch; Charles Henry - Ham Lake MN
- Kratsch; Charles Henry - Lino Lakes MN
| Patent | Date |
|---|---|
| System for Collection and Longitudinal Analysis of Anonymous Student Data App 20110202774 - Kratsch; Charles Henry | 2011-08-18 |
| System for software distribution in a digital computer network Grant 6,286,041 - Collins, III , et al. September 4, 2 | 2001-09-04 |
| System for software distribution in a digital computer network Grant 6,138,153 - Collins, III , et al. October 24, 2 | 2000-10-24 |
| System for software distribution in a digital computer network Grant 5,845,090 - Collins, III , et al. December 1, 1 | 1998-12-01 |
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