4. Fire escape, ladder, or scaffold
  5. Means maintaining platform level on angularly movable support
  6. Swingable support

Rodney G. Johnson

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Retaining and support assembly for machinery lift platforms

Fire escape – ladder – or scaffold – Means maintaining platform level on angularly movable support – Swingable support
Patent

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Shuffling apparatus and method

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Condition responsive means controls separating means
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1112438

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