Inventor · disambiguated record
Carl Bistrack
Also filed as: BISTRACK CARL
4 granted patents·140 citations·filing 1991–1997
80Inventor score
Files withBISTRACK CARL2
Top patents by PatentIndex Score
4 records- 0181US5626430AAdaptable pressuring writing instrument holderFiled 1994·Granted May 6, 1997·55 cites·1 claims
- 0276US6036385AAdaptable pressure writing instrument holderFiled 1997·Granted Mar 14, 2000·45 cites·15 claims
- 0363US5180239AAdaptable pressure writing instrument holderBISTRACK CARL·Filed 1991·Granted Jan 19, 1993·28 cites·6 claims
- 0458USD396057SWriting instrumentBISTRACK CARL·Filed 1997·Granted Jul 14, 1998·12 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →