Steven R. Freeman

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Ann Arbor, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Beamformed ultrasonic imager with delta-sigma feedback control
- Patent number 6,987,474
- Issue date Jan 17, 2006
- Q-Dot, Inc.
- Steven R. Freeman
- G01 - MEASURING TESTING
Information Patent Grant
Beamformed ultrasonic imager with delta-sigma feedback control
- Patent number 6,867,720
- Issue date Mar 15, 2005
- The Regents of the University of Michigan
- Steven R. Freeman
- G01 - MEASURING TESTING
Information Patent Grant
Beamformed ultrasonic imager with delta-sigma feedback control
- Patent number 6,801,148
- Issue date Oct 5, 2004
- The Regents of the University of Michigan
- Steven R. Freeman
- G01 - MEASURING TESTING
Information Patent Grant
Beamformed ultrasonic imager with delta-sigma feedback control
- Patent number 6,208,189
- Issue date Mar 27, 2001
- The Regents of the University of Michigan
- Steven R. Freeman
- G01 - MEASURING TESTING
Information Patent Grant
Beamformed ultrasonic imager with delta-sigma feedback control
- Patent number 5,964,708
- Issue date Oct 12, 1999
- The Regents of the University of Michigan
- Steven R. Freeman
- G01 - MEASURING TESTING

Patents Applicationslast 30 patents

Information Patent Application
Beamformed ultrasonic imager with delta-sigma feedback control
- Publication number 20050219096
- Publication date Oct 6, 2005
- Steven R. Freeman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Beamformed ultrasonic imager with delta-sigma feedback control
- Publication number 20030231125
- Publication date Dec 18, 2003
- Steven R. Freeman
- H03 - BASIC ELECTRONIC CIRCUITRY