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Patent US 3873878A: Difference between revisions
Created page with "{{Patent |Office=US |Number=3873878A |Title=Electron gun with auxilliary anode nearer to grid than to normal anode |Inventors=Conrad Odenthal |Company=Tektronix Inc |Filing da..."
(Created page with "{{Patent |Office=US |Number=3873878A |Title=Electron gun with auxilliary anode nearer to grid than to normal anode |Inventors=Conrad Odenthal |Company=Tektronix Inc |Filing da...") |
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