D DeLynn Mar 26, 2019 #21 It very hard to defend a patent on gear boxes, Good Luck Attachments Gearbox Cases 029.jpg 260.6 KB · Views: 402 phone 1-9-2016 816.jpg 381.7 KB · Views: 421 047-2016-ford-gt-ganassi-sebring-prep.jpg 301.9 KB · Views: 513