4. Radiant energy
  5. Photocells; circuits and apparatus
  6. Signal isolator

John F. Petrilla

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Assay test strips and reading same

Chemistry: analytical and immunological testing – Involving diffusion or migration of antigen or antibody
Reexamination Certificate

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Solid state relay with optically controlled shunt and series enh

Radiant energy – Photocells; circuits and apparatus – Signal isolator
Patent

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Solid state relay with shield means

Radiant energy – Photocells; circuits and apparatus – Signal isolator
Patent

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Profile ID: LFUS-PAI-P-432133

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