4. Education and demonstration
  5. Physical education

John Herndon

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Audible floor mat

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Bow tying learning device

Education and demonstration – Physical education – Developing or testing coordination
Reexamination Certificate

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Method and apparatus for bicycle riding instruction

Education and demonstration – Physical education
Patent

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Profile ID: LFUS-PAI-P-1120486

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