Inventor · disambiguated record
John E. Hagglund
Also filed as: HAGGLUND JOHN E
3 granted patents·1 pending application·144 citations·filing 1992–2017
73Inventor score
Technology areasA47C
Top patents by PatentIndex Score
4 records- 0186US5210890AMattress foundation with springs and foam elementsTUALATIN SLEEP PRODUCTS·Filed 1992·Granted May 18, 1993·109 cites·11 claims
- 0270US6484338B1Mattress structureTUALATIN SLEEP PRODUCTS INC·Filed 2000·Granted Nov 26, 2002·33 cites·17 claims
- 0362US10104984B2Expandable mattress coverTUALATIN SLEEP PRODUCTS INC·Filed 2017·Granted Oct 23, 2018·2 cites·4 claims
- 0435US2017311731A1Hybrid mattress unitTUALATIN SLEEP PRODUCTS·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →