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John G. Polka

Green Oaks, IL: #1 of 3 inventorsTop 35%

Illinois: #371 of 4,484 inventorsTop 9%

Overall (1994): #29,210 of 165,921Top 20%

2 Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5366279	Oil hub cover for truck wheels	—	1994-11-22
5358313	Adjustable wheel liner for trucks	—	1994-10-25