Inventor · disambiguated record

Margaret Schafer

Also filed as: RAY DAVID A · SCHAFER LEGAL REPRESENTATIVE M · SCHAFER MARGARET D

2 granted patents·19 citations·filing 1999–2004

59Inventor score

Technology areasB26B D05D

Files withRULERSMITH INC1

Top patents by PatentIndex Score

2 records

0156US7509745B2Non-slip measuring tool and method of makingRULERSMITH INC·Filed 2004·Granted Mar 31, 2009·14 cites·33 claims
0229US6199495B1Method and apparatus for sewing and cutting layered clothFiled 1999·Granted Mar 13, 2001·5 cites·21 claims

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Margaret Schafer — Patent Inventor | PatentIndex