Patent US 4864167A
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| Patent number | US 4864167A |
|---|---|
| Title | Dual function peak metering circuit |
| Inventors | Barry A. McKibben, Edward J. Cleary Jr. |
| Company | Tektronix Inc |
| Filing date | 1988-08-01 |
| Grant date | 1989-09-05 |
| Cites |