Inventor · disambiguated record
Schalk J. Leonard
Also filed as: LEONARD SCHALK J
3 granted patents·23 citations·filing 2009–2015
66Inventor score
Technology areasA63B
Files withLEONARD SCHALK J3
Top patents by PatentIndex Score
3 records- 0168US9044661B2Golf putting stroke training deviceLEONARD SCHALK J·Filed 2009·Granted Jun 2, 2015·11 cites·18 claims
- 0255USD691687SGolf putting stroke training deviceLEONARD SCHALK J·Filed 2012·Granted Oct 15, 2013·12 cites·1 claims
- 0340US9604117B2Golf stroke training deviceLEONARD SCHALK J·Filed 2015·Granted Mar 28, 2017·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →