EM

E. Roland Maki

General Motors: 2 patents #6,250 of 18,328Top 35%
📍 Rochester, MI: #380 of 860 inventorsTop 45%
🗺 Michigan: #35,034 of 86,293 inventorsTop 45%
Overall (All Time): #2,364,571 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4418586 Swash plate drive mechanism Ferdinand Freudenstein 1983-12-06
4270495 Variable displacement piston engine Ferdinand Freudenstein 1981-06-02