Assignee
ROTRING WERKE RIEPE KG
DE·7 granted patents·100 citations·filing 1983–1994
Top patents by PatentIndex Score
7 records- 0178US4854205ASign cutting deviceROTRING WERKE RIEPE KG·Filed 1988·Granted Aug 8, 1989·33 cites·32 claims
- 0276USD339606SFountain penROTRING WERKE RIEPE KG·Filed 1992·Granted Sep 21, 1993·31 cites·1 claims
- 0346US5406991APlastic filler insert for a writing fluid converterROTRING WERKE RIEPE KG·Filed 1994·Granted Apr 18, 1995·11 cites·13 claims
- 0437US4549828AWriting instrument with separable compensating meansROTRING WERKE RIEPE KG·Filed 1983·Granted Oct 29, 1985·6 cites·3 claims
- 0535US5211495ATubular writing instrument with suction ventROTRING WERKE RIEPE KG·Filed 1992·Granted May 18, 1993·11 cites·3 claims
- 0626US5494082APlastic filler insert for a writing fluid converterROTRING WERKE RIEPE KG·Filed 1994·Granted Feb 27, 1996·3 cites·3 claims
- 0726US4931093AMarker or felt tip penROTRING WERKE RIEPE KG·Filed 1988·Granted Jun 5, 1990·5 cites·5 claims
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