4. Synthetic resins or natural rubbers -- part of the class 520 ser
  5. Synthetic resins
  6. At least one aryl ring which is part of a fused or bridged...

Yao-Tsung Chang

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Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent

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Detector circuit for use with tri-state logic devices

Electronic digital logic circuitry – Three or more active levels – With conversion
Patent

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Image processing system capable of changing a polarization...

Liquid crystal cells – elements and systems – Liquid crystal system – Stereoscopic
Reexamination Certificate

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Method for controlling system to work at appropriate...

Data processing: generic control systems or specific application – Specific application – apparatus or process – Specific application of temperature responsive control system
Reexamination Certificate

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Minitype alcohol excessive warning device

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

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