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

Mark Frey

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Exercise apparatus for the upper arm

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

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Lumbar exercise and support apparatus for vehicle seat

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

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Monitoring a reservoir in casing drilling operations using a...

Boring or penetrating the earth – With signaling – indicating – testing or measuring – Indicating – testing or measuring a condition of the formation
Reexamination Certificate

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Optimum motor speed control system

Electricity: motive power systems – Plural diverse motor controls – Motor-reversing
Reexamination Certificate

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Optimum motor speed control system

Electricity: motive power systems – Plural diverse motor controls – Running-speed control
Patent

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Profile ID: LFUS-PAI-P-1351666

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