Inventor · disambiguated record
Stephen L. Hartzell
Also filed as: HARTZELL STEPHEN L
3 granted patents·12 citations·filing 1985–1988
63Inventor score
Files withDU PONT3
Top patents by PatentIndex Score
3 records- 0154US4705558AHerbicidal pyrazolesulfonamidesDU PONT·Filed 1985·Granted Nov 10, 1987·6 cites·44 claims
- 0243US4762550AHerbicidal pyrazolesulfonamidesDU PONT·Filed 1987·Granted Aug 9, 1988·3 cites·21 claims
- 0339US4895590AHerbicidal pyrazolesulfonamidesDU PONT·Filed 1988·Granted Jan 23, 1990·3 cites·30 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →