U.S. federal trademark · Serial No. 99241054
Mineral substances in the nature of filtering materials for nitrogen compound filtration from gas and liquid streams; Mineral particles for use as a filtering media in air and water filters for removal by filtration of compounds of nitrogen, compounds of sulfur, and other elements and compounds; Shaped bodies of formed mineral particles for use as a filtering media in removal by filtration of compounds of nitrogen, compounds of sulfur, and other elements and compounds from gas and liquid streams from gasoline powered engines
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