4. Environmental heating and cooling; fluid handling and sanitary e
  5. Heating or cooling
  6. Air treatment

John E. Toupal

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Adjustable footrest

Chairs and seats – Rest for knee – leg – or foot – Portable
Patent

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Adjustably mountable display frame

Card – picture – or sign exhibiting – Display card – Having a curved display panel
Patent

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Air purifier

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent

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Angled plates for connecting ducts

Pipe joints or couplings – Flange
Patent

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Angular position measurement apparatus

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent

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Profile ID: LFUS-PAI-P-2229

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