Patent US 3495451A
| Patent number | US 3495451A (click link for details and documents via Google Patents) |
|---|---|
| Title | Apparatus for generating functional waveforms of a rotating machine |
| Inventors | Willem H Verhoef |
| Company | Tektronix Inc |
| Filing date | 1968-05-15 |
| Grant date | 1970-02-17 |