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Hongli Song

Overall (All Time): #1,899,548 of 4,157,543Top 50%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D876035	Autonomous floor-cleaning apparatus	—	2020-02-18
D699408	Vacuum cleaner	—	2014-02-11