Inventor · disambiguated record
David J. Spiegler
Also filed as: SPIEGLER DAVID J
4 granted patents·54 citations·filing 2011–2015
73Inventor score
Technology areasA63B
Top patents by PatentIndex Score
4 records- 0184USD775288STraining ballSPIEGLER DAVID J·Filed 2011·Granted Dec 27, 2016·45 cites·1 claims
- 0270US9149698B2Ball skill enhancement training programs and methodsSPIEGLER DAVID J·Filed 2012·Granted Oct 6, 2015·7 cites·16 claims
- 0340USD794730SPanel for training ballVIRBERU L L C·Filed 2015·Granted Aug 15, 2017·0 cites·1 claims
- 0429USD779004STraining ballSPIEGLER DAVID J·Filed 2011·Granted Feb 14, 2017·2 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →