4. Geometrical instruments
  5. Area integrators
  6. Electrical

John Bonn

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Cryogenic seal for vacuum-insulated pipe expansion bellows

Pipe joints or couplings – Having plural independent paths – For concentric tubes or pipes
Reexamination Certificate

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Universal head protrusion gauge for video recorders

Geometrical instruments – Area integrators – Electrical
Patent

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Profile ID: LFUS-PAI-P-458288

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