Philip T. Krein

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Philip T. Krein (? – ?)

   Please add referenced biography.

https://ws.engr.illinois.edu/sitemanager/getfile.asp?id=261 :

In 1987, the department hired Phil Krein (MSEE ’80, PhD ’82), who had been working at Tektronix, to initiate a power electronics research area.



Patents by Philip T. Krein

Page Title Inventors Assignee Filed Granted Links
Patent US 4698460A Touch panel system Philip T. Krein Robert D. Meadows Bruce Murdock Daniel G. Teichmer Tektronix Inc 1986-08-26 1987-10-06
Patent US 4698461A Touch panel with automatic frequency control Robert D. Meadows Philip T. Krein Bruce Murdock Tektronix Inc 1986-08-26 1987-10-06
Patent US 4707845A Touch panel with automatic nulling Philip T. Krein Robert D. Meadows Bruce Murdock Daniel G. Teichmer Tektronix Inc 1986-08-26 1987-11-17
Patent US 4725695A Touch panel with discontinuities in touch sensitive surface Bruce Murdock Philip T. Krein Daniel G. Teichmer Tektronix Inc 1986-11-10 1988-02-16