4. Chemistry: electrical current producing apparatus, product, and
  5. Having specified venting, feeding or circulation structure
  6. Venting structure

Bernard N. Spiegelberg

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Acid seal

Electrical connectors – Contact comprising cutter – Insulation cutter
Reexamination Certificate

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Apparatus and method for cold forming a ring on a lead alloy bat

Metal deforming – By use of tool acting during relative rotation between tool... – With metal deformation of different type
Patent

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Apparatus and method for cold forming a ring on a lead alloy bat

Metal deforming – By use of tool acting during relative rotation between tool... – With metal deformation of different type
Patent

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Apparatus and method for cold forming an L-shaped lead alloy bat

Metal deforming – By use of closed-die and coacting work-forcer – Forcing work into or within closed die; e.g. – forging
Patent

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Battery closure apparatus

Chemistry: electrical current producing apparatus – product – and – Having specified venting – feeding or circulation structure – Venting structure
Patent

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Profile ID: LFUS-PAI-P-137501

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