Assignee
ROTRING INT GMBH
DE·5 granted patents·77 citations·filing 1993–1997
Top patents by PatentIndex Score
5 records- 0166US5938362AWriting implement for inkROTRING INT GMBH·Filed 1996·Granted Aug 17, 1999·21 cites·7 claims
- 0262US5443322AFlow control for writing or drawing instrumentROTRING INT GMBH·Filed 1994·Granted Aug 22, 1995·25 cites·20 claims
- 0348US6062758AInk writing implementROTRING INT GMBH·Filed 1997·Granted May 16, 2000·10 cites·10 claims
- 0445US5427463AInk writing implementROTRING INT GMBH·Filed 1993·Granted Jun 27, 1995·13 cites·12 claims
- 0541US5392520AVector brushROTRING INT GMBH·Filed 1993·Granted Feb 28, 1995·8 cites·19 claims
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