Patent US 4142128A: Difference between revisions

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(Created page with "{{Patent |Office=US |Number=4142128A |Title=Box-shaped scan expansion lens for cathode ray tube |Inventors=Conrad Odenthal |Company=Tektronix Inc |Filing date=1977-04-18 |Gran...")
 
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|Number=4142128A
|Number=4142128A
|Title=Box-shaped scan expansion lens for cathode ray tube
|Title=Box-shaped scan expansion lens for cathode ray tube
|Company=Tektronix Inc
|Inventors=Conrad Odenthal
|Inventors=Conrad Odenthal
|Company=Tektronix Inc
|Filing date=1977-04-18
|Filing date=1977-04-18
|Grant date=1979-02-27
|Grant date=1979-02-27
|Cites=
}}
}}

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