Patent US 3249866A
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| Patent number | US 3249866A (click link for details and documents via Google Patents) |
|---|---|
| Title | Direct reading bridge circuit |
| Inventors | David D Barr Jr, Albert S Crane |
| Company | Tektronix Inc |
| Filing date | 1962-09-13 |
| Grant date | 1966-05-03 |