Roy Lewallen
Roy W. Lewallen (? – ?)
Please add referenced biography.
Products by Roy Lewallen
| Manufacturer | Model | Description | Designers | Introduced |
|---|---|---|---|---|
| Tektronix | 11802 | Digital sampling scope | Murlan Kaufman • Stan Kaveckis • Agoston Agoston • John Carlson • John Rettig • Jon Lueker • Roy Lewallen | 1989 |
| Tektronix | 11801 | Digital sampling scope | Murlan Kaufman • Stan Kaveckis • Agoston Agoston • John Carlson • John Rettig • Jon Lueker • Roy Lewallen | 1989 |
| Tektronix | CSA803 | 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 |