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

Denis R. O'Brien

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Computer managed learning system and data processing method...

Education and demonstration – Computer logic – operation – or programming instruction
Reexamination Certificate

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Tap-handle-assembly extension to facilitate one-handed...

Fluent material handling – with receiver or receiver coacting mea – Filling means with receiver or receiver coacting means – Receiver actuated discharge means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2105942

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