4. Pipe joints or couplings
  5. With fluid pressure seal
  6. Swivel with flange in socket

Brian L. Frost

Inventor

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Quick connect coupling

Pipe joints or couplings – Essential catch – With manipulator
Reexamination Certificate

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Swivel coupling

Pipe joints or couplings – With fluid pressure seal – Swivel with flange in socket
Reexamination Certificate

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Welder

Machines not elsewhere specified – Heat treatment – welding or brazing
Design Patent

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Welder

Machines not elsewhere specified – Heat treatment – welding or brazing
Design Patent

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Profile ID: LFUS-PAI-P-2760129

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