Inventor · disambiguated record
Eric J. Shaffer
Also filed as: SHAFFER ERIC · SHAFFER ERIC J
3 granted patents·8 citations·filing 2011–2016
60Inventor score
Top patents by PatentIndex Score
3 records- 0186US8644733B2Cartridge drive shaft gearPENG JIAN·Filed 2011·Granted Feb 4, 2014·7 cites·20 claims
- 0241US9363944B2Granular fertilizer dispenser apparatusSHAFFER ERIC J·Filed 2014·Granted Jun 14, 2016·1 cites·13 claims
- 0331US9642299B2Granular fertilizer dispenser apparatusSHAFFER ERIC J·Filed 2016·Granted May 9, 2017·0 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →