Patent US 4916543A
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| Patent number | US 4916543A (click link for details and documents via Google Patents) |
|---|---|
| Title | Circular scan streak tube with electronic memory and readout |
| Inventors | Phil Crosby |
| Company | Tektronix Inc |
| Filing date | 1989-01-09 |
| Grant date | 1990-04-10 |