4. Metal working
  5. Method of mechanical manufacture
  6. Assembling or joining

Herman P. Kars

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Closure plug improvement

Receptacles – Closures – Removable closure guided in rotary movement
Reexamination Certificate

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Closure plug with improved gasket seat

Receptacles – Closures – Removable closure guided in rotary movement
Reexamination Certificate

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Drum with drum closure and method

Receptacles – Closures – Secondary closure within parameter of primary closure
Patent

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Drum with drum closure and method

Metal working – Method of mechanical manufacture – Assembling or joining
Patent

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Drum with drum closure and method

Metal working – Method of mechanical manufacture – Assembling or joining
Reissue Patent

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Profile ID: LFUS-PAI-P-818949

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