RH

Ray M. Hill

3S 3D Systems: 1 patents #9 of 23Top 40%
📍 Smithfield, RI: #1 of 5 inventorsTop 20%
🗺 Rhode Island: #103 of 391 inventorsTop 30%
Overall (1997): #91,272 of 185,788Top 50%
1
Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5667820 Apparatus for making a solid three-dimensional article from a liquid medium Timmy B. Heller, Michael R. Greenhalgh, Abdalla F. Saggal 1997-09-16