Patent US 4034291A
Jump to navigation
Jump to search
| Patent number | US 4034291A (click link for details and documents via Google Patents) |
|---|---|
| Title | Electronic measuring instrument combining an oscilloscope and a digital multimeter |
| Inventors | David William Allen, Marshall Bond Borchert |
| Company | Tektronix Inc |
| Filing date | 1975-04-14 |
| Grant date | 1977-07-05 |