4. Metal working
  5. Method of mechanical manufacture
  6. Prime mover or fluid pump making

Tom Riggs

Inventor

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Check valve for the pre-combustion chamber of an internal combus

Fluid handling – Line condition change responsive valves – Direct response valves
Patent

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Hospital bed

Beds – Invalid bed or surgical support – Vertically movable support for whole body of user
Reexamination Certificate

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Hospital bed

Beds – Invalid bed or surgical support – Sectional user supporting surface
Reexamination Certificate

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Hospital bed

Beds – Invalid bed or surgical support – Sectional user supporting surface
Reexamination Certificate

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Lift system for hospital bed

Beds – Invalid bed or surgical support – Vertically movable support for whole body of user
Reexamination Certificate

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Profile ID: LFUS-PAI-P-261017

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