Inventor · disambiguated record
William Hart
Also filed as: HART WILLIAM · HART WILLIAM L · HART WILLIAM LLOYD
8 granted patents·1 pending application·145 citations·filing 1975–2020
88Inventor score
Top patents by PatentIndex Score
9 records- 0180US7565864B2Food tray insert for holding tacosHART FAMILY INNOVATIONS LTD·Filed 2006·Granted Jul 28, 2009·16 cites·18 claims
- 0277US4604073ATake-apart rocking stack toyMATTEL INC·Filed 1984·Granted Aug 5, 1986·31 cites·8 claims
- 0374US4251949AToy track and bowl with car height indicatorMATTEL INC·Filed 1979·Granted Feb 24, 1981·22 cites·1 claims
- 0472US4511342AWinding and launching device for toy vehiclesMATTEL INC·Filed 1983·Granted Apr 16, 1985·25 cites·1 claims
- 0562US3983662APush toy for picking up three-dimensional objectsMATTEL INC·Filed 1975·Granted Oct 5, 1976·15 cites·2 claims
- 0647US5096451AToy mermaid with voice unitMATTEL INC·Filed 1991·Granted Mar 17, 1992·13 cites·7 claims
- 0746US2022257925A1Combined light and electrical stimulation of light-sensitive neural tissueTHE BIONICS INST OF AUSTRALIA·Filed 2020·Application pending·0 cites
- 0845US4626224ASlowly appearing, rapidly disappearing figure toyMATTEL INC·Filed 1985·Granted Dec 2, 1986·14 cites·6 claims
- 0939US4750900AQuick draw mechanism for figure toyMATTEL INC·Filed 1987·Granted Jun 14, 1988·9 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →