Inventor · disambiguated record
David Vizard
Also filed as: VIZARD DAVID
3 granted patents·48 citations·filing 1981–2002
72Inventor score
Top patents by PatentIndex Score
3 records- 0164US4467887AExhaust mufflers for internal combustion enginesSHELBURNE INC·Filed 1981·Granted Aug 28, 1984·29 cites·7 claims
- 0261US6615795B2Internal combustion engineZALKIN ANTHONY LOUIS·Filed 2002·Granted Sep 9, 2003·11 cites·12 claims
- 0333US4577724AExhaust mufflers for internal combustion enginesSHELBURNE INC·Filed 1984·Granted Mar 25, 1986·8 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →