Inventor · disambiguated record
Charles E. Ray
Also filed as: RAY CHARLES D · RAY CHARLES E
2 granted patents·1 pending application·15 citations·filing 1988–2006
57Inventor score
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3 records- 0153US2007044802A1Filtering and humidifying face maskHORNE MARILYN B·Filed 2006·Application pending·0 cites
- 0231US6167388ASystem and method for the selection of heating equipmentC E RAY COMPANY INC·Filed 1997·Granted Dec 26, 2000·10 cites·20 claims
- 0324US4909845AMine sealant compositionRAY CHARLES E·Filed 1988·Granted Mar 20, 1990·5 cites·11 claims
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