# Menu 1 :Patents and Ads ::Patents :::US1735411|../the_gallery/buffet/misc/patents/powell_patents/1735411/ :::US1846454|../the_gallery/buffet/misc/patents/powell_patents/US1846454/ :::US2051176|../the_gallery/buffet/misc/patents/powell_patents/US2051176/ :::US2163352|../the_gallery/buffet/misc/patents/powell_patents/US2163352/