4. Office supplies; artists and teachers materials
  5. Bookend

William K. Cooper

Inventor

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Combined book mark and template

Office supplies; artists and teachers materials – Bookend
Patent

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Double turnout rotary guideway switch

Railways – Switches – For toothed rail
Patent

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Electric, guidance and tire path configuration for a people move

Railways – Derailment guards – Guide rollers
Patent

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Guide wheel assembly

Railway rolling stock – Trucks – Supplemental wheel
Reexamination Certificate

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Guide wheel assembly

Railway rolling stock – Trucks – Supplemental wheel
Reexamination Certificate

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Profile ID: LFUS-PAI-P-66836

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