GH

Gary D. Helgesen

Ford: 4 patents #4,025 of 17,473Top 25%
📍 Romulus, MI: #14 of 86 inventorsTop 20%
🗺 Michigan: #22,048 of 86,293 inventorsTop 30%
Overall (All Time): #1,286,233 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5771955 Core assembly manufacturing apparatus of casting engine blocks and method for making the assembly Robert Gordon Rentschler, Thomas J. Heater 1998-06-30
5365997 Method for preparing an engine block casting having cylinder bore liners Robert Gordon Rentschler, Thomas J. Heater 1994-11-22
5320158 Method for manufacturing engine block having recessed cylinder bore liners 1994-06-14
5234378 Balanced rotary assembly John H. Bale 1993-08-10