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| 11000 series plug-in was designed by Lester Larson. | | 11000 series plug-in was designed by Lester Larson. |
| {{Designer|Les Larson}} | | {{Designer|Les Larson}} |
| ==US Patents==
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| * 3394316 "Differential Amplifier Having Common Base Output Stage of Very High Output Impedance"
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| * 3663832 "Delay Pickoff Circuit"
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| * 3857059 "Oscilloscope Sweep System with Two Sweep Generators Having Speed Rate Switches and Sweep Mode Switches Operated by a Control Knob"
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| * 6781391 "Multi-channel, low input capacitance signal probe and probe head"
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| * 6847199 "Capturing both digital and analog forms of a signal through the same probing path"
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| {{Patents|Les Larson}} | | {{Patents|Les Larson}} |
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| [[Category:Tektronix people]] | | [[Category:Tektronix people]] |