Roy Lewallen

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Roy W. Lewallen (? – ?)

please add bio

Products by Roy Lewallen

Model Class Description Designers Introduced
11802 Oscilloscope Digital sampling scope Murlan Kaufman Stan Kaveckis Agoston Agoston John Carlson John Rettig Jon Lueker Roy Lewallen 1989
11801 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