Patent US 3881133A
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| Patent number | US 3881133A |
|---|---|
| Title | Two dot indicator system |
| Inventors | George Frye |
| Company | Tektronix Inc |
| Filing date | 1973-06-18 |
| Grant date | 1975-04-29 |
| Cites |
| Patent number | US 3881133A |
|---|---|
| Title | Two dot indicator system |
| Inventors | George Frye |
| Company | Tektronix Inc |
| Filing date | 1973-06-18 |
| Grant date | 1975-04-29 |
| Cites |