Patent US 4034291A
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| 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 |
Related products:
| Manufacturer | Model | Description | Introduced | Designers |
|---|---|---|---|---|
| Tektronix | 213 | Miniature portable 1 MHz oscilloscope and TRMS digital multimeter | 1975 | Dave Allen • Gordon Meigs • John Pace • Jim Knowlton • Wendell Damm |