PS

Phaik-Eng Sum

AC American Cyanamid: 38 patents #13 of 1,554Top 1%
Pfizer: 13 patents #341 of 5,153Top 7%
📍 New City, NY: #6 of 319 inventorsTop 2%
🗺 New York: #1,810 of 115,490 inventorsTop 2%
Overall (All Time): #53,006 of 4,157,543Top 2%
51
Patents All Time

Issued Patents All Time

Showing 51–51 of 51 patents

Patent #TitleCo-InventorsDate
4640913 Phosphocholine derivatives having antihypertensive action Allan Wissner, Robert E. Schaub 1987-02-03