Inventor · disambiguated record
Barbara Jean Chapman
Also filed as: CHAPMAN BARBARA · CHAPMAN BARBARA JEAN
1 granted patent·2 pending applications·12 citations·filing 1977–2020
34Inventor score
Top patents by PatentIndex Score
3 records- 0175US4121925AMethod of producing grey cast iron brake rotors with uniform friction and wear characteristicsFERODO LTD·Filed 1977·Granted Oct 24, 1978·12 cites·4 claims
- 0255US2009210359A1MerchandisingCHAPMAN RES LTD·Filed 2007·Application pending·0 cites
- 0331US2021357876A1Location-based event notification applicationCHAPMAN BARBARA JEAN·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →