Patent US 4648026A
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| Patent number | US 4648026A (click link for details and documents via Google Patents) |
|---|---|
| Title | Microprocessor stepper motor drive |
| Inventors | Bruce E. Petrick |
| Company | Tektronix Inc |
| Filing date | 1984-12-20 |
| Grant date | 1987-03-03 |