Patent US 4634949A
| Patent number | US 4634949A (click link for details and documents via Google Patents) |
|---|---|
| Title | Control devices for use with a stepping motor |
| Inventors | Harvey L. Golladay |
| Company | Tektronix Inc |
| Filing date | 1985-03-07 |
| Grant date | 1987-01-06 |