Inventor · disambiguated record

David Sowden

Also filed as: SOWDEN DAVID

1 granted patent·2 citations·filing 2001–2001

19Inventor score

Technology areasY10T

Files withHALLMARK CARDS1

Top patents by PatentIndex Score

1 record

0137US6520049B2Method of digitizing emboss dies and the likeHALLMARK CARDS·Filed 2001·Granted Feb 18, 2003·2 cites·24 claims

Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →