GH

Gerald L. Helbrook

📍 Rochester Hills, MI: #1,048 of 1,754 inventorsTop 60%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,817,891 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5188575 Automatic four-speed transmission with interconnected clutches Maurice B. Leising, Thomas D. Nogle, Howard L. Benford, James R. Klotz, Berthold Martin +2 more 1993-02-23