Inventor · disambiguated record

Ann-Cathrin Hedlund

Also filed as: HEDLUND ANN-CATHRIN

2 granted patents·4 citations·filing 2003–2005

46Inventor score

Technology areasC21D E21B

Files withSANDVIK AB1 SANDVIK INTELLECTUAL PROPERTY1

Top patents by PatentIndex Score

2 records

0147US7571779B2Drill rod and method of manufacture thereofSANDVIK INTELLECTUAL PROPERTY·Filed 2005·Granted Aug 11, 2009·3 cites·20 claims
0234US6978852B2Rock drill product and methodSANDVIK AB·Filed 2003·Granted Dec 27, 2005·1 cites·11 claims

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