4. Optics: measuring and testing
  5. By shade or color
  6. With color transmitting filter

David Wadlow

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Control system with capacitive detector

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Control system with capacitive detector

Communications: electrical – Condition responsive indicating system – Specific condition
Reexamination Certificate

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Controlled flow volumetric flowmeter

Measuring and testing – Volume or rate of flow – Combined
Patent

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Process and apparatus for analyzing a gaseous mixture and a visi

Optics: measuring and testing – By shade or color – With color transmitting filter
Patent

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Profile ID: LFUS-PAI-P-331866

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