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Ralph Michael Duke — 2 Patents

GAGates: 2 patents #99 of 351Top 30%

Lapeer, MI: #207 of 689 inventorsTop 35%

Michigan: #35,034 of 86,293 inventorsTop 45%

Overall (All Time): #2,006,973 of 4,157,543Top 50%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
9347521	CVT belt	John Graeme Knox	2016-05-24
8672788	CVT belt	John Graeme Knox	2014-03-18