4. Chemistry: electrical current producing apparatus, product, and
  5. Current producing cell, elements, subcombinations and...
  6. Electrode

John O. Wirtz

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Battery assembly dual workstation

Metal working – Means to assemble or disassemble – With control means energized in response to activator...
Reexamination Certificate

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Battery grids

Metal working – Battery-grid making
Reexamination Certificate

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Battery grids, method and apparatus

Metal working – Bias cutting of tubular stock
Patent

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Battery grids, method and apparatus

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent

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Profile ID: LFUS-PAI-P-1565302

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