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CHRISTIANSON JOHN
US
3 patents
Top patents
by PatentIndex Score
US8291605B2
Oct 23, 2012
Box level
CHRISTIANSON JOHN
18 citations
91
US8413342B2
Apr 9, 2013
Level with a magnet-mounting structure
CHRISTIANSON JOHN
18 citations
82
US8291604B2
Oct 23, 2012
Box level
CHRISTIANSON JOHN
3 citations
61