Roy Lewallen
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Roy W. Lewallen (? – ?)
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Products by Roy Lewallen
| Model | Class | Description | Designers | Introduced |
|---|---|---|---|---|
| 11801 | Oscilloscope | Digital sampling scope | Murlan Kaufman • Stan Kaveckis • Agoston Agoston • John Carlson • John Rettig • Jon Lueker • Roy Lewallen | 1989 |
| 11802 | Oscilloscope | Digital sampling scope | Murlan Kaufman • Stan Kaveckis • Agoston Agoston • John Carlson • John Rettig • Jon Lueker • Roy Lewallen | 1989 |
| CSA803 | Oscilloscope | Digital sampling scope | Murlan Kaufman • Stan Kaveckis • Agoston Agoston • John Carlson • John Rettig • Jon Lueker • Roy Lewallen | 1990 |
Components by Roy Lewallen
Patents by Roy Lewallen
| Page | Office | Number | Title | Inventors | Company | Filing date | Grant date |
|---|---|---|---|---|---|---|---|
| Patent US 4924110A | US | 4924110A | High speed step generator output circuit | John Rettig • Jonathan Lueker • John E. Carlson • Stan Kaveckis • Roy Lewallen | Tektronix Inc | 1988-09-08 | 1990-05-08 |