GS

Gregory S. Stevenson

🗺 California: #185,134 of 386,348 inventorsTop 50%
Overall (All Time): #2,299,396 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5183014 Sleeve valve system for internal combustion engine having elliptical path 1993-02-02
5088285 Internal combustion engine 1992-02-18