Inventor · disambiguated record
Karl Christopherson
Also filed as: CHRISTOPHERSON KARL · CHRISTOPHERSON KARL A
4 granted patents·6 pending applications·84 citations·filing 1998–2021
78Inventor score
Top patents by PatentIndex Score
10 records- 0178US6076513ATrigger operated bow type toy gunHASBRO INC·Filed 1998·Granted Jun 20, 2000·49 cites·22 claims
- 0275US6699096B2Toy with character and vehicle componentsHASBRO INC·Filed 2001·Granted Mar 2, 2004·22 cites·23 claims
- 0363USD998362SBassinetMATTEL INC·Filed 2021·Granted Sep 12, 2023·3 cites·1 claims
- 0462USD781059SInfant support structureMATTEL INC·Filed 2015·Granted Mar 14, 2017·10 cites·1 claims
- 0555US2011081822A1Storage Device For Toy Building ComponentsCHRISTOPHERSON KARL·Filed 2009·Application pending·0 cites
- 0655US2013295817A1Infant's Entertainment Apparatus and Interactive DeviceMATTEL INC·Filed 2013·Application pending·0 cites
- 0752US2014011425A1Infant's Interactive Track Play SetMATTEL INC·Filed 2013·Application pending·0 cites
- 0845US2011081823A1Storage Device for Toy Building ComponentsMATTEL INC·Filed 2010·Application pending·0 cites
- 0944US2012064797A1Track Assembly for Toy VehiclesCHRISTOPHERSON KARL·Filed 2010·Application pending·0 cites
- 1041US2017143135A1Infant Support Having Tray with Repositionable InsertMATTEL INC·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →