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WN
Wei-Quan Ng
OE
Otis Elevator
: 1 patents #966 of 1,840
Top 55%
Overall (All Time):
#3,524,696
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Top 85%
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Patent #
Title
Co-Inventors
Date
6629583
Fixture for an elevator system
Mary Ann T. Valk
,
Bruce Zepke
2003-10-07
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