Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
MA

Marcy E. Armstrong — 2 Patents

Merck: 2 patents #3,919 of 9,382Top 45%
Schwenksville, PA: #56 of 132 inventorsTop 45%
Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,172,213 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7094767 Polynucleotide herpes virus vaccine Robert D. Keys, John A. Lewis, Margaret A. Liu, William L. McClements 2006-08-22
5521082 Novel process for purification of hepatitis a virions John A. Lewis, Emilio Emini 1996-05-28