Assignee
QUATRO CORP
US·5 granted patents·137 citations·filing 1993–1995
Top patents by PatentIndex Score
5 records- 0176US5425272ARelative resonant frequency shifts to detect cracksQUATRO CORP·Filed 1993·Granted Jun 20, 1995·45 cites·18 claims
- 0271US5631423AMethod for resonant measurementQUATRO CORP·Filed 1995·Granted May 20, 1997·36 cites·15 claims
- 0369US5408880AUltrasonic differential measurementQUATRO CORP·Filed 1993·Granted Apr 25, 1995·30 cites·6 claims
- 0449US5641905ASecond derivative resonant ultrasound response analyzerQUATRO CORP·Filed 1995·Granted Jun 24, 1997·15 cites·14 claims
- 0530US5498311AProcess for manufacture of printed circuit boardsQUATRO CORP·Filed 1994·Granted Mar 12, 1996·11 cites·16 claims
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