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RO
Robert M. O'Brien
SM
Spin Master
: 1 patents #17 of 46
Top 40%
Overall (2021):
#282,763
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Top 55%
1
Patents 2021
Issued Patents
2021
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Patent #
Title
Co-Inventors
Date
D920442
Flying device
Daryl R. Tearne
,
Charles Sink
2021-05-25
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