Inventor · disambiguated record
Fredrick Spears
Also filed as: SPEARS FREDRICK
3 granted patents·2 pending applications·54 citations·filing 2001–2007
72Inventor score
Top patents by PatentIndex Score
5 records- 0182US7232354B2Inflatable buoyancy device with water-dependant triggering mechanismOLSON MANFRED BRADLEY·Filed 2006·Granted Jun 19, 2007·25 cites·25 claims
- 0281US7540796B2Inflatable buoyancy device with water-dependant triggering mechanismSPEARS FREDRICK·Filed 2007·Granted Jun 2, 2009·20 cites·1 claims
- 0350US6770244B2Dianostic sample tube including anti-rotation apparatusHITACHI CHEMICAL DIAGNOSTIC IN·Filed 2001·Granted Aug 3, 2004·9 cites·20 claims
- 0434US2002164807A1Diagnostic instrument having overlapping carouselsFiled 2001·Application pending·0 cites
- 0533US2002164808A1Diagnostic pipette assembly including apparatus for automated aspirationFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →