HJ

Herbert E. Evans, Jr.

3S 3D Systems: 2 patents #135 of 374Top 40%
Overall (All Time): #2,301,800 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5248456 Method and apparatus for cleaning stereolithographically produced objects Ernest W. Ertley, Charles W. Hull, Richard N. Leyden 1993-09-28
5209878 Surface resolution in three-dimensional objects by inclusion of thin fill layers Dennis R. Smalley, Hop D. Nguyen, Kris Schmidt, Ray S. Freed, Paul J. Jacobs 1993-05-11