LH

Louis H. Hemmerdinger

GA Grumman Aerospace: 2 patents #105 of 508Top 25%
📍 Old Bethpage, NY: #18 of 43 inventorsTop 45%
🗺 New York: #48,759 of 115,490 inventorsTop 45%
Overall (All Time): #2,323,788 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4925636 Apparatus for directional solidification of a crystal material Gregory W. Knowles, George B. Patterson 1990-05-15
4704258 Method and apparatus for growth of single crystal material in space Herbert Schneider 1987-11-03