4. Electrical connectors
  5. Having circuit interrupting provision effected by mating or...

Qi Chen

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Apparatus for determining and/or monitoring the level of a...

Communications: directive radio wave systems and devices (e.g. – Determining distance – Material level within container
Reexamination Certificate

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Carboxylic acid derivatives that inhibit the binding of...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate

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Carboxylic acid derivatives that inhibit the binding of...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...
Reexamination Certificate

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Coronavirus isolated from humans

Organic compounds -- part of the class 532-570 series – Organic compounds – Carbohydrates or derivatives
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Device for determining and monitoring the level of a medium...

Communications: directive radio wave systems and devices (e.g. – Determining distance – Material level within container
Reexamination Certificate

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