Patent US 4665340A: Revision history

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31 August 2021

25 August 2021

  • curprev 14:4814:48, 25 August 2021‎ Peter talk contribs‎ 241 bytes +241‎ Created page with "{{Patent |Office=US |Number=4665340A |Title=Cathode-ray-tube electrode structure having a particle trap |Inventors=Conrad Odenthal;Dennis D. Askew;Evan W. Jaqua |Company=Tektr..."
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