4. Optical: systems and elements
  5. Projection screen
  6. Unitary sheet comprising plural reflecting areas

Arthur Piehl

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Ambient light absorbing screen

Optical: systems and elements – Projection screen – Unitary sheet comprising plural reflecting areas
Reexamination Certificate

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Charge control circuit for a micro-electromechanical device

Optical: systems and elements – Optical modulator – Light wave temporal modulation
Reexamination Certificate

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Charge control of micro-electromechanical device

Electricity: electrical systems and devices – Electrostatic capacitors – Variable
Reexamination Certificate

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Charge control of micro-electromechanical device

Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Reexamination Certificate

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Control of MEMS and light modulator arrays

Optical: systems and elements – Optical modulator – Light wave temporal modulation
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Profile ID: LFUS-PAI-P-2237459

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