http://logos144.blogspot.com.au/In the Beginning Was the Structure of theVacuum
The Flower of Life Audi logo
NASA picture of a black hole Nissan logo
https://1.bp.blogspot.com/-h-8nuTjkPsg/V2CNYSygdcI/AAAAAAAAAF0/BOKsnRQcjZgwF47qt5qri75HvA-3C2qpwCKgB/s320/black%2Bhole%2Bnasa.png
The 64 tetrahedron grid Mitsubishi logo
https://4.bp.blogspot.com/-PBdwqsXLBck/T9EcJQ2niuI/AAAAAAAAAAw/t5gnfw_7w04/s320/mitsubishi%2B016.JPG
The Symbol of Enlightenment Volkswagen Logo
(see the work of Marko Rodin)
https://2.bp.blogspot.com/_3GednKgv9Js/TL4MmXOIgmI/AAAAAAAAAL8/T9TkSH-EN-c/s1600/Symbol_Of_Enlightenment_Aet.bmp
The following symbols are based on the dual torus:
Sun Cross BMW Logo
http://trickyrelativity.files.wordpress.com/2009/06/sun-cross.jpg