Assignee
PENTECH INT INC
10 granted patents·261 citations·filing 1985–1998
Top patents by PatentIndex Score
10 records- 0190US6062753AWriting instrument with enhanced tactile control and gripping comfort and method of making samePENTECH INT INC·Filed 1998·Granted May 16, 2000·80 cites·34 claims
- 0288US5895160AUniversal marking instrument apparatusPENTECH INT INC·Filed 1998·Granted Apr 20, 1999·41 cites·7 claims
- 0387USD399255SMechanical pencilPENTECH INT INC·Filed 1997·Granted Oct 6, 1998·41 cites·1 claims
- 0478US5735622AWriting instrument with a compressible friction coating and method of makingPENTECH INT INC·Filed 1995·Granted Apr 7, 1998·30 cites·48 claims
- 0570US5590971AMarking pen and capPENTECH INT INC·Filed 1995·Granted Jan 7, 1997·25 cites·20 claims
- 0664USD294281SPencilPENTECH INT INC·Filed 1985·Granted Feb 16, 1988·16 cites·1 claims
- 0759USD410952SWriting instrumentPENTECH INT INC·Filed 1998·Granted Jun 15, 1999·10 cites·1 claims
- 0838US5699620AApparatus for sharpening crayon marking instruments to form an improved arcuate safety marking tipPENTECH INT INC·Filed 1996·Granted Dec 23, 1997·9 cites·21 claims
- 0938USD368490SMarking penPENTECH INT INC·Filed 1995·Granted Apr 2, 1996·4 cites·1 claims
- 1037US5890830AUniversal marking instrument apparatusPENTECH INT INC·Filed 1997·Granted Apr 6, 1999·5 cites·10 claims
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