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

Charles H. Riggin

CBCambridge Bioscience: 2 patents #2 of 11Top 20%
Hopedale, MA: #41 of 84 inventorsTop 50%
Massachusetts: #42,150 of 88,656 inventorsTop 50%
Overall (All Time): #2,323,454 of 4,157,543Top 60%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4921787 Detection of antibodies to human immunodeficiency virus by agglutination of antigen coated latex Dante J. Marciani 1990-05-01
4734362 Process for purifying recombinant proteins, and products thereof Chung-Ho Hung, Richard Thorn, Dante J. Marciani 1988-03-29