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BILLS CHRIS
US
4 patents
Top patents
by PatentIndex Score
USD818414S
May 22, 2018
Vortex propeller
BILLS CHRIS
11 citations
79
USD805474S
Dec 19, 2017
Vortex propeller
BILLS CHRIS
7 citations
79
US8905706B2
Dec 9, 2014
Vortex propeller
BILLS CHRIS
14 citations
78
US10260479B2
Apr 16, 2019
Vortex propeller
BILLS CHRIS
6 citations
68