4. Electric lamp and discharge devices: systems
  5. Plural load device systems
  6. Sequential starting

Eugene La Roche

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Acoustic surface wave filters having bifurcated members with con

Wave transmission lines and networks – Automatically controlled systems – With control of equalizer and/or delay network
Patent

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Acoustic wave devices

Wave transmission lines and networks – Coupling networks – With impedance matching
Patent

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Adjustable micrometer stage

Patent

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Angle or length measuring device

Optics: measuring and testing – Refraction testing – Prism engaging specimen
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Angularly adjustable optical switch assembly

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
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Profile ID: LFUS-PAI-P-34217

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