4. Fire escape, ladder, or scaffold
  5. Ladder
  6. With spacer means

Owen Brown

Inventor

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Dripless plunger

Baths – closets – sinks – and spittoons – Obstruction remover – Force cup
Reexamination Certificate

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Ladder support

Fire escape – ladder – or scaffold – Ladder – With spacer means
Patent

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Profile ID: LFUS-PAI-P-1975744

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