4. Card, picture, or sign exhibiting
  5. Signs
  6. Interchangeable

Charles U. Amanze

Inventor

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Interlocking means for magnetic alphanumeric characters

Card – picture – or sign exhibiting – Signs – Interchangeable
Patent

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Multi-purpose sit-up device

Exercise devices – Support for entire body of user – Including hold down for foot or ankle
Patent

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Vehicle steering angle position determination method

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Transmission control
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1117471

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