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SIMPSON ROBERT C
3 patents
Top patents
by PatentIndex Score
US4431076A
Feb 14, 1984
Adjustable collapsible wheelchair
SIMPSON ROBERT C
49 citations
90
USD641936S
Jul 19, 2011
Pet blanket
SIMPSON ROBERT C
33 citations
83
USD545096S
Jun 26, 2007
Beverage carton tray
SIMPSON ROBERT C
12 citations
75