Roger L. Flint

RI Rockwell International: 1 patents #839 of 2,155Top 40%

📍 Marion, IA: #275 of 453 inventorsTop 65%

🗺 Iowa: #8,735 of 15,303 inventorsTop 60%

Overall (All Time): #4,081,805 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D257832	Altitude/vertical speed indicator	Siegfried Knemeyer, deceased	1981-01-13