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Companies
Inventors
JB
Jeff D. Berryhill
TE
Thyssenkrupp Elevator
: 1 patents #6 of 34
Top 20%
Overall (2018):
#378,494
of 503,207
Top 80%
1
Patents 2018
Issued Patents
2018
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Patent #
Title
Co-Inventors
Date
9957132
Elevator control systems
—
2018-05-01
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