Inventor · disambiguated record
John D. Hardstone
Also filed as: HARDSTONE JOHN D · HARDSTONE JOHN DAVID
4 granted patents·60 citations·filing 1974–1987
78Inventor score
Files withPFIZER4
Top patents by PatentIndex Score
4 records- 0191US4686228AQuinoline therapeutic agentsPFIZER·Filed 1986·Granted Aug 11, 1987·27 cites·3 claims
- 0276US4656174AQuinoline therapeutic agentsPFIZER·Filed 1983·Granted Apr 7, 1987·8 cites·7 claims
- 0374US4024332AAminoglycoside antibiotics and intermediates thereforPFIZER·Filed 1974·Granted May 17, 1977·22 cites·26 claims
- 0454US4758568AQuinoline therapeutic agentsPFIZER·Filed 1987·Granted Jul 19, 1988·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →