Assignee

GRAF ROLAND

AT·2 granted patents·15 citations·filing 1981–2010

Technology mixA63B1 B21F1 B68G1

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2 records

0165US9670053B2Apparatus and method for transferring springs with transport wheelGRAF ROLAND·Filed 2010·Granted Jun 6, 2017·2 cites·18 claims
0239US4368886AInserts for the crossing points of tennis racket stringingGRAF ROLAND·Filed 1981·Granted Jan 18, 1983·13 cites·7 claims

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