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Inventors
JH
John HAMMAR
JS
Johnson Electric S.A.
: 1 patents #231 of 526
Top 45%
Overall (All Time):
#3,189,853
of 4,157,543
Top 80%
1
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Patent #
Title
Co-Inventors
Date
8613605
Centrifugal pump
Po-Lun Cheng
,
Min Li
2013-12-24
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