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KC
Karl Christopherson
MA
Mattel
: 1 patents #24 of 90
Top 30%
Overall (2017):
#356,341
of 506,227
Top 75%
1
Patents 2017
Issued Patents
2017
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Patent #
Title
Co-Inventors
Date
D781059
Infant support structure
Michael Armbruster
2017-03-14
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