DS

David Shaffer

UH University Of North Carolina At Chapel Hill: 2 patents #408 of 1,688Top 25%
📍 Great Neck, NY: #290 of 1,852 inventorsTop 20%
🗺 New York: #26,803 of 115,490 inventorsTop 25%
Overall (All Time): #990,155 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
D777935 Pressure reducing device 2017-01-31
9392874 Pressure reducing device 2016-07-19
8778036 Upgrading carbonaceous materials 2014-07-15
6136322 Hepatitis A virus deletion mutants and vaccine formulations containing the same Stanley M. Lemon 2000-10-24
5766906 Hepatitis A virus deletion mutants and vaccine formulations containing the same Stanley M. Lemon 1998-06-16