FI

Frank E. Ledbetter, III

NASA: 3 patents #448 of 3,881Top 15%
📍 Huntsville, AL: #481 of 1,894 inventorsTop 30%
🗺 Alabama: #2,447 of 10,951 inventorsTop 25%
Overall (All Time): #1,676,199 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4680897 Method for machining holes in composite materials Julia G. Daniels, Johnny M. Clemons, Benjamin G. Penn, William T. White 1987-07-21
4474975 Process for producing tris (N-methylamino) methylsilane Johnny M. Clemons, Benjamin G. Penn 1984-10-02
4327150 Method of bonding plasticized elastomer to metal and articles produced thereby William T. White, Johnny M. Clemons 1982-04-27