4. Education and demonstration
  5. Computer logic, operation, or programming instruction

John Richard Bergan

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Data checker apparatus and method

Data processing: database and file management or data structures – Database design – Data structure types
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Instructional management system

Education and demonstration – Computer logic – operation – or programming instruction
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Scale builder and method

Education and demonstration – Psychology
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Profile ID: LFUS-PAI-P-2136169

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