Inventor · disambiguated record
Rick Allan Sprague
Also filed as: SPRAGUE RICK ALLAN
3 granted patents·16 citations·filing 2001–2002
65Inventor score
Top patents by PatentIndex Score
3 records- 0160US7197897B2Chemical strengthening process for disks used in disk drive data storage devicesHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Apr 3, 2007·8 cites·18 claims
- 0250US6911261B2pH adjustment of a melt for use in microetching glass substratesIBM·Filed 2002·Granted Jun 28, 2005·2 cites·20 claims
- 0349US6638623B2pH adjustment of a strengthening melt for use in strengthening glass substratesIBM·Filed 2001·Granted Oct 28, 2003·6 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →