1,722
edits
(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...") |
No edit summary |
||
Line 3: | Line 3: | ||
|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 | ||
|Filing date=1977-04-18 | |Filing date=1977-04-18 | ||
|Grant date=1979-02-27 | |Grant date=1979-02-27 | ||
}} | }} |
edits