Inventor · disambiguated record
Michael James Spence
Also filed as: SPENCE MICHAEL F · SPENCE MICHAEL J · SPENCE MICHAEL JAMES
2 granted patents·2 pending applications·0 citations·filing 1991–2018
24Inventor score
Top patents by PatentIndex Score
4 records- 0152US11332653B2Drilling fluidSHELL OIL CO·Filed 2018·Granted May 17, 2022·0 cites·15 claims
- 0246US2005282593A1Mechanical layout and component placement for thin clamshell phoneSPENCE MICHAEL F·Filed 2004·Application pending·0 cites
- 0338US2005282595A1Communication device including one or more electrical control buttons in an upper housing partSPENCE MICHAEL F·Filed 2004·Application pending·0 cites
- 0414US5153603ASelf-contained alcohol recorder purging and cleaning system for direct writing type trace recordersGEN DYNAMICS CORP SPACE SYSTEM·Filed 1991·Granted Oct 6, 1992·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →