1,722
edits
Patent US 5077498A: Difference between revisions
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(Created page with "{{Patent |Office=US |Number=5077498A |Title=Pinched electron beam cathode-ray tube with high-voltage einzel focus lens |Inventors=Conrad Odenthal |Company=Tektronix Inc |Filin...") |
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|Number=5077498A | |Number=5077498A | ||
|Title=Pinched electron beam cathode-ray tube with high-voltage einzel focus lens | |Title=Pinched electron beam cathode-ray tube with high-voltage einzel focus lens | ||
|Company=Tektronix Inc | |||
|Inventors=Conrad Odenthal | |Inventors=Conrad Odenthal | ||
|Filing date=1991-02-11 | |Filing date=1991-02-11 | ||
|Grant date=1991-12-31 | |Grant date=1991-12-31 | ||
}} | }} | ||