4. Supports
  5. Bag holders
  6. Mouth holding frames

Roger C. Knutson

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Adjustable bracing structure for yard bags

Supports – Bag holders – Mouth holding frames
Patent

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System and method for providing learning material

Education and demonstration – Question or problem eliciting response – Response of plural examinees communicated to monitor or...
Reexamination Certificate

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Profile ID: LFUS-PAI-P-176248

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