Hans Geerling

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Leonardus Johannes Geerling (? – ?) moved to Oregon in 1968.

   Please add referenced biography.

Products by Hans Geerling

Model Class Description Designers Introduced
1502 Reflectometer Time Domain Reflectometer Hans Geerling 1975

Components by Hans Geerling

Patents by Hans Geerling

Page Office Number Title Inventors Company Filing date Grant date
Patent US 3701993A US 3701993A Ramp generator [for] a chart recorder Hans Geerling Tektronix Inc 1971-06-28 1972-10-31
Patent US 3732475A US 3732475A Motor control circuit Hans Geerling Tektronix Inc 1971-06-28 1973-05-08