Patent US 4766425A
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| Patent number | US 4766425A (click link for details and documents via Google Patents) |
|---|---|
| Title | Waveform selection by touch |
| Inventors | James L. Tallman, Terry G. Sherbeck, Beverlea J. Kramlich |
| Company | Tektronix Inc |
| Filing date | 1986-12-19 |
| Grant date | 1988-08-23 |