Patent US 3594608A
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| Patent number | US 3594608A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electron beam display system having light detector pen with associated sampling and memory circuits |
| Inventors | Jon C Mutton |
| Company | Tektronix Inc |
| Filing date | 1969-05-12 |
| Grant date | 1971-07-20 |