Inventor · disambiguated record
John Charles Callingham
Also filed as: CALLINGHAM JOHN CHARLES
2 granted patents·1 pending application·41 citations·filing 1999–2016
61Inventor score
Files withCALLINGHAM JOHN CHARLES2
Top patents by PatentIndex Score
3 records- 0169US6463880B1Drinking bowl for a pet animalFiled 1999·Granted Oct 15, 2002·36 cites·9 claims
- 0265US10015954B2Device for retrieving fishCALLINGHAM JOHN CHARLES·Filed 2013·Granted Jul 10, 2018·5 cites·11 claims
- 0324US2018035655A1Fish measuring deviceCALLINGHAM JOHN CHARLES·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →