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...

Harold E. Hall

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Anti-tracking material for high voltage applications

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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Connector assembly for anode button of a cathode ray tube

Geometrical instruments
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Connector assembly for anode ring of cathode ray tube

Electrical connectors – Having resilient housing for sealing with coupled connector
Patent

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Connector assembly for anode ring of cathode ray tube

Geometrical instruments
Patent

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