4. Expansible chamber devices
  5. Rectilinearly moving working member and coaxial or parallel...
  6. Working fluid-actuated interengaging means permits...

Gregory R. W. McEwan

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Liquid metering housing

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Volume – flow or rate
Design Patent

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Manual liquid metering device and cartridge

Expansible chamber devices – Rectilinearly moving working member and coaxial or parallel... – Working fluid-actuated interengaging means permits...
Reexamination Certificate

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Manual liquid metering device and cartridge

Expansible chamber devices – Rectilinearly moving working member and coaxial or parallel... – Working fluid-actuated interengaging means permits...
Reexamination Certificate

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Swivel assemblies for conduits carrying pressurized fluids...

Pipe joints or couplings – Serial,relatively movable portions – Plural swivels
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2393018

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