Patent US 4899091A: Difference between revisions
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(Created page with "{{Patent |Office=US |Number=4899091A |Title=Cathode-ray-tube astigmatism correction apparatus |Inventors=Conrad Odenthal |Company=Tektronix Inc |Filing date=1985-03-05 |Grant...") |
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|Number=4899091A | |Number=4899091A | ||
|Title=Cathode-ray-tube astigmatism correction apparatus | |Title=Cathode-ray-tube astigmatism correction apparatus | ||
|Company=Tektronix Inc | |||
|Inventors=Conrad Odenthal | |Inventors=Conrad Odenthal | ||
|Filing date=1985-03-05 | |Filing date=1985-03-05 | ||
|Grant date=1990-02-06 | |Grant date=1990-02-06 | ||
}} | }} |
Latest revision as of 03:28, 31 August 2021
Patent number | US 4899091A (click link for details and documents via Google Patents) |
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Title | Cathode-ray-tube astigmatism correction apparatus |
Inventors | Conrad Odenthal |
Company | Tektronix Inc |
Filing date | 1985-03-05 |
Grant date | 1990-02-06 |