Paul D. Freiburger

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Dubuque, IA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for abberation correction in the presence of a...
- Patent number 5,673,699
- Issue date Oct 7, 1997
- Duke University
- Gregg E. Trahey
- G01 - MEASURING TESTING
Information Patent Grant
Ultrasonic phased array imaging system with high speed adaptive pro...
- Patent number 5,331,964
- Issue date Jul 26, 1994
- Duke University
- Gregg E. Trahey
- G01 - MEASURING TESTING