4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Optical or pre-photocell system

Ormonde G. Durham, III

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Adaptable HVAC; AC motor speed, air temperature and air...

Data processing: generic control systems or specific application – Specific application – apparatus or process – Mechanical control system
Reexamination Certificate

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Encoder apparatus and methods

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

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Encoder apparatus and methods employing optical and graphical pr

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

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Profile ID: LFUS-PAI-P-161187

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