4. Metal deforming
  5. By use of 'flying tool' engaging moving work
  6. With cutting

Frank M. Grippe

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Angled turbulator for use in heat exchangers

Heat exchange – With agitating or stirring structure
Reexamination Certificate

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Method and apparatus for roll forming a plurality of heat exchan

Metal deforming – By use of 'flying tool' engaging moving work – With cutting
Patent

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Serpentine, slit fin heat sink device

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Reexamination Certificate

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Profile ID: LFUS-PAI-P-568691

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