4. Fire escape, ladder, or scaffold
  5. Ladder and platform
  6. Platform with ladder as support

James J. Kempf

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Adjustable, portable combination tree stand

Fire escape – ladder – or scaffold – Ladder and platform – Platform with ladder as support
Patent

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Dust pre-separator for an automobile engine

Gas separation – Combined or convertible – In motor vehicle
Reexamination Certificate

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Powerstroke crossbow

Mechanical guns and projectors – Spring – Bow
Reexamination Certificate

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Trigger assembly

Mechanical guns and projectors – Spring – Bow
Reexamination Certificate

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Profile ID: LFUS-PAI-P-926018

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