4. Fire escape, ladder, or scaffold
  5. Kit or separable parts

Charles E. O'Brien

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Knock-down support stand and kit for assembly thereof

Fire escape – ladder – or scaffold – Kit or separable parts
Patent

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Wafer alkaline cell

Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Flat-type unit cell and specific unit cell components
Reexamination Certificate

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Wafer alkaline cell

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

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Profile ID: LFUS-PAI-P-1428277

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