4. Transportation
  5. Perambulator, invalid chair, or stretcher
  6. Element or attachment

Daniel Watson

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Transportation – Perambulator – invalid chair – or stretcher – Element or attachment
Design Patent

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Method for forming carbide banding in steel materials using...

Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate

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Method for making a steel article with carbides already in...

Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate

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Method for making steel with carbides already in the steel...

Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate

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Thermal process for treating metals to improve structural...

Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2270562

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