4. Pipe joints or couplings
  5. Essential catch

Ralph R. Mehr

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Automatic fire sprinkler having a variable orifice

Fire extinguishers – Sprinkler heads
Reexamination Certificate

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Pipe connections and methods for connecting pipes

Pipe joints or couplings – Essential catch
Reexamination Certificate

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Pipe connections and methods for connecting pipes

Pipe joints or couplings – Essential catch
Patent

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Submerged thermally sensitive element for an automatic fire...

Fire extinguishers – Processes – Of extinguishing fire
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1061515

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