4. Exercise devices
  5. User manipulated force resisting apparatus, component...
  6. Utilizing weight resistance

Douglas Spriggs Selsam

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Balanced, high output, rapid rotation wind turbine...

Fluid reaction surfaces (i.e. – impellers) – Articulated – resiliently mounted or self-shifting impeller... – Sectional – staged or nonrigid working member
Reexamination Certificate

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Blow-moldable water-filled freeweights

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Reexamination Certificate

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Blow-moldable water-filled freeweights

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Reexamination Certificate

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Multi-purpose exercise device

Exercise devices – User manipulated force resisting apparatus – component... – Utilizing weight resistance
Patent

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Multi-rotor wind turbine with generator as counterweight

Rotary kinetic fluid motors or pumps – With means for controlling casing or flow guiding means in... – Natural fluid current force responsive
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1830038

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