EJ

E. Marshall Johnson

TU Thomas Jefferson University: 1 patents #250 of 538Top 50%
📍 Philadelphia, PA: #1,701 of 4,834 inventorsTop 40%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,366,115 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4346070 Test for teratogenic potential employing hydra — 1982-08-24
4324200 Method and apparatus for growing hydrozoa — 1982-04-13