Inventor · disambiguated record
Derrell Smith
Also filed as: SMITH DERRELL
4 granted patents·68 citations·filing 1990–1992
78Inventor score
Top patents by PatentIndex Score
4 records- 0143US5220137AEngine exhaust mufflerHOWERTON KENNETH R·Filed 1991·Granted Jun 15, 1993·22 cites·11 claims
- 0242US5277395AMachinery base padSMITH DERRELL·Filed 1992·Granted Jan 11, 1994·19 cites·4 claims
- 0342US5149050AMachinery base padSMITH DERRELL·Filed 1991·Granted Sep 22, 1992·19 cites·5 claims
- 0426US5076393AEngine exhaust mufflerHOWERTON KENNETH R·Filed 1990·Granted Dec 31, 1991·8 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →