4. Tent, canopy, umbrella, or cane
  5. Portable shelter
  6. Framework

Douglas M. Brown

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Collapsible frame

Tent – canopy – umbrella – or cane – Portable shelter – Framework
Patent

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Cooler backpack with compartments

Refrigeration – Cooled enclosure – Portable receptacle
Patent

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Rotating jumping apparatus

Amusement devices: toys – Rotating or having visible rotating portion
Patent

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Self-actuating spreading apparatus

Amusement devices: toys – Aerodynamically supported or retarded – Glider
Patent

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Profile ID: LFUS-PAI-P-1135541

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