Patent US 4870398A
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| Patent number | US 4870398A (click link for details and documents via Google Patents) |
|---|---|
| Title | Drive waveform for ferroelectric displays |
| Inventors | Philip J. Bos |
| Company | Tektronix Inc |
| Filing date | 1987-10-08 |
| Grant date | 1989-09-26 |