Inventor · disambiguated record
David Crist
Also filed as: CRIST DAVID · CRIST DAVID E
3 granted patents·1 pending application·79 citations·filing 2001–2011
74Inventor score
Technology areasA47C
Top patents by PatentIndex Score
4 records- 0178US6715173B2Modular sleep systems with friction-secured comfort unitSEALY TECHNOLOGY LLC·Filed 2001·Granted Apr 6, 2004·39 cites·47 claims
- 0267USD649386SPillowtop mattressFREESE E DAVID·Filed 2011·Granted Nov 29, 2011·20 cites·1 claims
- 0367USD649385SNon-pillowtop mattressFREESE E DAVID·Filed 2011·Granted Nov 29, 2011·20 cites·1 claims
- 0442US2011094039A1Mattress assembly with convertible topperTERVO THOMAS A·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →