Inventor · disambiguated record
David F. Mccallum
Also filed as: MCCALLUM DAVID · MCCALLUM DAVID A · MCCALLUM DAVID F
3 granted patents·2 pending applications·81 citations·filing 1976–2014
74Inventor score
Top patents by PatentIndex Score
5 records- 0191US4126116APortable barbecue deviceMCCALLUM DAVID F·Filed 1977·Granted Nov 21, 1978·47 cites·4 claims
- 0259US4063382AThrow ringRAYMOND LEE ORGANIZATION INC·Filed 1976·Granted Dec 20, 1977·25 cites·4 claims
- 0358US2016063888A1Nutrition-PedometerMACCALLUM DAVID·Filed 2014·Application pending·0 cites
- 0446US4129315APlay vehicleMCCALLUM DAVID F·Filed 1977·Granted Dec 12, 1978·9 cites·1 claims
- 0540US2007053821A1Production of layered double hydroxidesGILLMAN GAVIN P·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →