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Richard D. Williams

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Frictionally engaged supplied air helmet face seal

A - Human Necessities – 62 – B
Patent

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Hydraulically operated pressure relief valve

F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent

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Manually operable controls

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Patent

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Shift control mechanism

G - Physics – 05 – G
Patent

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Shift control mechanism

G - Physics – 05 – G
Patent

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Hydraulically operated pressure relief valve

F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent

  [ 0.00 ] – not rated yet Voters 0   Comments 0

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Profile ID: LFCA-PAI-P-17546

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