Assignee

JOHANSSON DAN

1 granted patent·15 citations·filing 2001–2001

Technology mixA41D1 A63B1 B25G1 D04H1 Y10T1

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0161US7464446B2Method and device for improving the frictional engagement between two contract surfacesJOHANSSON DAN·Filed 2001·Granted Dec 16, 2008·15 cites·7 claims

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