Inventor · disambiguated record
John R. Spelman
Also filed as: SPELMAN JOHN R
2 granted patents·1 pending application·5 citations·filing 2013–2016
47Inventor score
Technology areasA63B
Files withSPELMAN JOHN R3
Top patents by PatentIndex Score
3 records- 0159US8968113B2Golf putting trainer deviceSPELMAN JOHN R·Filed 2013·Granted Mar 3, 2015·5 cites·24 claims
- 0236US9586122B2Golf putting trainer deviceSPELMAN JOHN R·Filed 2015·Granted Mar 7, 2017·0 cites·24 claims
- 0329US2017203182A1Golf putter with training deviceSPELMAN JOHN R·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →