Inventor · disambiguated record
Joseph Michael Kral
Also filed as: KRAL JOSEPH M · KRAL JOSEPH MICHAEL
4 granted patents·52 citations·filing 1997–2018
74Inventor score
Top patents by PatentIndex Score
4 records- 0164US6581331B1Window and door closing mechanismFiled 1999·Granted Jun 24, 2003·34 cites·13 claims
- 0245US7185398B2Mechanical door closerKRAL JOSEPH MICHAEL·Filed 2002·Granted Mar 6, 2007·9 cites·20 claims
- 0336US6321812B1Perimeter driven labellerFiled 1997·Granted Nov 27, 2001·9 cites·11 claims
- 0416USD887575SIndicator strip3M INNOVATIVE PROPERTIES CO·Filed 2018·Granted Jun 16, 2020·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →