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David G. Johnson

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Brake modulation valve for pedal-applied brakes

B - Operations – Transporting – 60 – T
Patent

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Engine generated waveform analyzer

F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent

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Portable back support

A - Human Necessities – 61 – F
Patent

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Self-closing sealable valve bag

B - Operations – Transporting – 65 – D
Patent

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Web cleaner

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Patent

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Profile ID: LFCA-PAI-P-16056

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