DG

David M. Groffman

ND National Research Development: 1 patents #24 of 131Top 20%
Overall (1989): #123,092 of 140,708Top 90%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4880628 Sustained release composition William Maxwell Allen, Jr., Bernard F. Sansom, Alan D. Wilson, Havard J. Prosser 1989-11-14