Assignee

FRIESTAD MICHAEL E

US·1 granted patent·6 citations·filing 2009–2009

Technology mixA01B1 A01C1

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0158US8196671B2Opener disk blade scraper hinge geometry to maintain contact with deflected disk bladeFRIESTAD MICHAEL E·Filed 2009·Granted Jun 12, 2012·6 cites·11 claims

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