RE

Richard A. Earl

DP Dupont Merck Pharmaceutical: 2 patents #5 of 49Top 15%
📍 Westford, MA: #3 of 41 inventorsTop 8%
🗺 Massachusetts: #299 of 3,963 inventorsTop 8%
Overall (1994): #22,155 of 165,921Top 15%
2
Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5314887 2-amino-1, 4-dihydropyridine derivatives with calcium agonist and alpha.sub. -antagonist activity Paul E. Aldrich, Philip Ma 1994-05-24
5300642 .alpha., .alpha.-disubstituted aromatics and heteroaromatics as cognition enhancers Melvyn J. Myers, Victor J. Nickolson 1994-04-05