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

Richard Alan Leinen

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Optical encoder having multiple thumbwheels with integral...

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

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Standard electronics rack-mounted dimming control system...

Electric lamp and discharge devices: systems – Current and/or voltage regulation
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2506422

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